Drilling Tools Catalog

OSS

OSS

Contents
Introduction
Profile ................................................................................................................................ Vision, Mission and Core Values ....................................................................................... Certifications ...................................................................................................................... 3 4 5

Non-Magnetic Drill Collar and Stabilizer

Non-Magnetic Drill Collar .................................................................................................. Non-Magnetic Integrated Blade Stabilizer .......................................................................... 11 14

Alloy Steel Equipment

Alloy Steel Drill Collar ........................................................................................................ Alloy Steel Integrated Blade Stabilizer ............................................................................... Stabilizer Configurations .................................................................................................... Stabilizer Mandrel and Sleeve ............................................................................................ Mud Motor Radial Bearing ................................................................................................ 17 21 22 23 24

Hardfacing
Stabilizer Hardfacing .......................................................................................................... Laser Cladding ................................................................................................................... 26 27

Subs
Rotary Crossover ............................................................................................................... Kelly Saver ......................................................................................................................... Float ................................................................................................................................... Bit Sub ............................................................................................................................... Lift Sub .............................................................................................................................. Circulating Sub .................................................................................................................. Universal Bottom Hole Orientation Sub ............................................................................. 29 29 29 29 30 31 32

Threading, Rental and Trading

Connection Cutting and Repair .......................................................................................... Rental and Trading ............................................................................................................. Integral Lifting Bail ............................................................................................................ Float Valve ......................................................................................................................... Mud Motor ......................................................................................................................... Break-Out Machine ............................................................................................................ 34 35 36 37 38 39

Satellite Workshops
Location Capabilities .......................................................................................................... Contact Details ................................................................................................................... 41 42

OSS

Introduction
Oilfield Services and Supplies Pte Ltd (OSS) manufactures and services high quality down-hole tools and drill stem components that are used primarily by the oil, gas and mining exploration and production industries.
Profile Since the company headquarters inception in Singapore, 1999, OSS has met the dynamic needs of the drilling industry and complied with tighter tolerances required for many innovative and complex products. Today, OSS distributes a wide variety of down-hole drilling products all over the Asia Pacific Region and Middle East Region. Our main clients are leaders in the oil and gas industries: Halliburton, Baker Hughes, NOV (National Oilwell Varco), Weatherford and IOT. With the opening of the companys 8th satellite workshop in Labuan, East Malaysia in 2013, OSS is strategically located to offer short turnaround time and integrated after-sales services to our customers, without sacrificing on quality and price. Quality Assurance & Accreditations A skilled workforce, a well organized manufacturing facility as well as dedication to quality and service form the foundation of our business. Today, OSS has successfully implemented a quality management system that complies with the ISO (International Organization for Standardization) 9001 standard, ISO9001:2008 which also incorporates the American Petroleum Institute Standard (API), namely API Specification Q1, API Spec 7-1 and 7-2 and ISO/TS29001:2010 with API Monogram license.

Regional presence in Asia-Pacific

OSS

Vision, Mission and Core Values

We aspire to be an internationally recognised leading Oil & Gas manufacturing and service solution provider of the highest standards, and an employer of choice that is committed to quality, health, safety and environmental excellence.

Peter Ong See Kong Managing Director, Oilfield Services & Supplies

Assuring our best services at all times by striving for continuous improvement in operational efficiency, building our core capabilities through innovation, and developing strategic partnerships with our valued stakeholders to achieve mutual success.

These initiatives are supported by each and every employees relentless focus on his/her quality, health, safety and environmental responsibilities. At OSS, we believe in empowering our greatest asset our people to proactively overcome challenges of the future and to exceed our stakeholders expectations.

Responsibility

Improvement

Collaboration

Excellence

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Certifications

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Certifications

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Certifications

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Certifications

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Certifications

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Certifications

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Non-Magnetic Drill Collar and Stabilizer

Customized specifications are achieved through our robust manufacturing process and our drive towards excellence.

Milled Waterways

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Non-Magnetic Drill Collar

OSS non-Magnetic drill collars are manufactured from heat-treated material for optimum strength and ductility in the critical threaded surface. The collars are made from selected bars of chromium molybdenum alloy steel with chemistries specially formulated for down-hole tools. Our non-magnetic bar stocks are sourced from reputable suppliers such as Carpenter from USA, Edelstahl Witten Krefeld (EWK/DEW) from Germany, and Daido from Japan. After boring to precision, every drill collar is subject to a thorough ultrasonic examination. This is a rigorous and integral in-house inspection requirement.

NM Flex Collars

NM Drill Collars

Carpenter EWK / DEW Dialdo SBD Mechanical and Chemical Properties Of NMDC Materials Properties 15-15HS Amagnit Amagnit 15-15LC 15-15HS NMS 100 NMS 140 P 530 P 550 Max 501 601 Yield Strength min. (ksi) 125 175 175 120 140 123 127 110 140 3 1/2 to 6 7/8 OD 116 162 162 112 130 112 148 100 130 7 OD to 11 OD Tensile Strength min. 125 150 200 130 150 135 148 120 150 (ksi) 32 32 32 25 20 28 30 25 20 Elongation (%) 70 70 70 50 50 62 68 50 50 Reduction of area (%) Impact Energy min. (ft./lb.) 165 85 145 130 100 75 120 90 60 ISO-v longitudinal 275-350 285-370 285-370 Min 277 Min 290 269-341 311-341 260-350 350-430 Hardness Brinell C 0.04(Max) 1.0(Max) 16-21 15-19 3.0(Max) 3.0(Max) 0.20-0.80 0.030 0.35 18-21 16-19 1,76 0.5 0.5 0.02 0.35 18-21 16-19 2 3 0.8 0.04 0.30-0.60 13-15 18.5-22 0.25-0.50 0.35-0.50 23 0.05 0.5 15.5-17.5 18-20 4.2-5 2-2.8 28 0.03 0.5 13 18 2.0 0.5 0.3 23 0.02 0.35 18.75 19.50 1.75 1.00 0.62 28 0.40-0.60 Min 0.50 0.25-0.40 Min 0.60 22 33 13-14 18.50-20 18.2020.00 20.5021.60 0.05 0.06 Si Cr Mn Ni Mo N

Chemical Composition

Mechanical

0.32-0.40 0.4-0.5

28 28 28 PRE* *Pitting Resisting Equivalent PRE = Cr + 3.3 Mo + 16 N

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Non-Magnetic Drill Collar

NMDC Specifications DIMENSION 3-1/2 x 2 3-3/4 x 2 4-1/8 x 2-1/4 4-1/4 x 2-1/4 4-3/4 x 2-1/4 4-3/4 x 2-11/16 5 x 2-13/16 5-1/4 x 2-13/16 5-1/2 x 2-13/16 6-1/2 x 2-1/4 6-1/2 x 2-13/16 6-1/2 x 3-1/4 6-3/4 x 2-13/16 6-3/4 x 3 7 x 2-13/16 7-3/4 x 2-13/16 8 x 2-13/16 8 x 3 8-1/4 x 2-13/16 8 1/4 x 3 8-1/2 x 2-13/16 8-1/2 x 3 9 x 3 9-1/2 x 3 9-1/2 x 3-1/4 10 x 3 WEIGHT KG/PC 317 384 460 497 658 588 652 750 853 1450 1325 1191 1460 1374 1620 2008 2150 2067 2330 2220 2457 2377 2749 3150 2995 3475 LBS/PC 699 847 1014 1096 1451 1296 1437 1653 1881 3197 2921 2626 3219 3029 3571 4427 4740 4557 5137 4894 5417 5240 6061 6945 6603 7661 LENGTH (FT) 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 PPF 22.5 27.3 32.7 35.3 46.8 41.8 46.4 53.3 60.7 103.1 94.2 84.7 103.8 97.7 115.2 142.8 152.9 147.0 165.7 157.9 174.7 169.0 195.5 224.0 213.0 247.1 KG/M 33.5 40.6 48.7 52.6 69.6 62.2 69.0 79.4 90.3 153.5 140.2 126.0 154.5 145.4 171.5 212.5 227.5 218.8 246.8 235.0 260.0 251.6 290.9 333.4 317.0 367.8

Surface Finish: Available as rolled, milled or machined finish. Thread connections: Machined to API specification with stress relief grooves and bore back, further protected by a phosphate surface coating to minimize galling and corrosion.

Ordering Information OSS Drill Collars are available in lengths of 5, 10, 15, 20, 30 and 31 feet and in nominal sizes ranging from 3 to 14, while other sizes are available on request. When enquiring, please specify:

1. Type of collars (slick or spiral grooved) Thread protectors: Heavy duty plastic thread 2. Outside and inside diameters (O.D. and protectors furnished at no additional charge I.D.) for most popular-sized drill collar connections. 3. Length 4. Connection size and type Cold-rolled thread roots: All thread 5. Any other features connections are cold-rolled on API connections to increase fatigue resistance.

Inspected NM Drill Collar

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Non-Magnetic Integrated Blade Stabilizer

OSS Non-Magnetic Integral Blade Stabilizers are manufactured from Chromium Manganese Austenitic Stainless Steel.

Mechanical Properties Tensile 120,000 psi minimum Yield 100,000 psi minimum Hardness 285 BHN. minimum
Magnetic Permeability Max 1.01 Average 1.005
Packed NM Stabilizers

Surface Treatment OSS offers as an option, an additional treatment which, when applied to the inside diameter and/or between the blades creates a compressive layer, giving additional protection against stress induced cracking. This treatment is recommended when equipment is to be used in environments with high chloride concentrations. Stabilizer Hard-facing For Non-Magnetic Stabilizers, OSS recommends hardface dressing type HF3000. This particular dressing comprises tungsten carbide inserts set in a powder spray deposit, which is ideal for abrasive formations. The dressing technique has been developed in-house to take full account of the chemical composition of the material and the need for repeat re-dressings without damage. This includes full temperature control of the parent body during the preheating process and also throughout the complete dressing procedure. Quality Assured Tools Full quality control procedures are maintained throughout all production processes and when HF3000 hard-facing is deposited, final ultrasonic inspection is carried out to ensure that a minimum of 97% bonding of carbide inserts is obtained. This is the OSS guarantee and each tool is certified to this effect. Connections also receive full dye penetrant inspection and are finally coated with an anti galling treatment.

NM Integrated Blade Stabilizer

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Non-Magnetic Integrated Blade Stabilizer

Stabilizer Specifications

Hole Size Drill Collar Range Overall Length Fishing Neck (Min) Crown Length (Min) Blade Width Tong Space Near Bit String Near Bit String

5-1/4 6-7/8 4-1/2 5-1/2 64 76 28 12 2-1/4 20 24

7 9-7/8 5-3/4 7-3/4 66 76 28 16 2-1/4 2-3/4 20 24 26

10 12-1/4 8 9-1/2 72 86 28 30 18 3 3-1/4 20 22 26 28

13-3/4 16 8 9-1/2 96 100 32 20 3 4 24 28 30 32

Integral ribs: Milled from the steel body and have no welded or loose parts. Hard-facing ribs: HF 1K, 2K, 3K, 5K & 6K provide tough hardcoating wear resistance over a large wall contact area, minimize torque and prevent unwanted reaming with optimum stabilization. Repair: We provide complete repair service for threads and worn hard-facing ribs. Threads connections: Made to API specification with stress relief grooves and bore backs. Thread roots are cold rolled before phosphate coating. Heavy duty rubber thread protectors are provided as standard.

Ordering Information When enquiring, please specify: 1. 2. 3. 4. 5. Type of stabilizer (string or near-bit) Drill collar size and I.D. Spiral type Connection size and type Type of hardfacing
Reamer Near-Bit Stabilizer

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Alloy Steel Equipment

True to our values, our lean and efficient operations yield shorter turnaround times and higher cost-efficiencies.

Threaded Connections

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Alloy Steel Drill Collar

OSS Stainless Steel Drill Collars are manufactured from Chromium, Molybdenum Alloy Steel conforming to AISI 4145 H Modified specification, fully heat treated and supplied in accordance to A.P.I. Spec. 7-1. The mechanical and chemical properties of the alloy steel are recorded in the Material Certificate, included with each collar. Surface Finish The surface finish, linear straightness, roundness and O.D. tolerances are in conformance to A.P.I. requirements. Precision Boring Deep-hole precision boring along the bar length within tight tolerances to eliminate wall thickness variation, followed by drifting to A.P.I. specifications. Threaded Connections Every thread connection is machined to the highest possible accuracy and gauged to the requirements of A.P.I. Spec 7-1 and RP7G. Thereafter, each connection is:

cold rolled to increase fatigue resistance, phosphated to prevent galling, coated with A.P.I.-compliant thread compound to increase ease of makeup, and protected with thread protectors against any non-operational damage.
The specification of each thread, such as gauge standoff, taper, depth, pitch, etc., is also fully documented for traceability.

Identity Markings A.P.I. monogram will be applied on compliant drill collars. Furthermore, serial numbers, O.D., I.D., size and style of connections, customers unique asset numbers and additional identity slots (at request) can be machined.

Drill Collar Box, Pin and Protector

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Alloy Steel Drill Collar

At OSS, Quality Control is paramount. Every Drill Collar is subject to a full-length and section ultrasonic examination using precise instruments.

All machined connections are individually examined by our inhouse inspection department, and any non-conformances are addressed to ensure final product is of the highest quality.
Final Inspection Steel Alloy Drill Collar Specifications SIZE O.D INS 3 4 4 5 5 6 6 6 7 7 7 8 8 8 9 9 9 9 10 11 11 12 14 BORE Standard Ins 1 2 2 2 2 2 2 2 213/16 213/16 213/16 213/16 213/16 213/16 3 3 3 3 3 3 3 3 3 Optional Ins 1 2 2 2 213/16 213/16 213/16 2 2 3 3 3 3 213/16 213/16 213/16 213/16 213/16 213/16 213/16 213/16 213/16 CONNECTION STYLE AND SIZE Standard Bore Optional Bore A.P.I. No. Other NC26 NC31 NC35 NC38 NC38 NC44 NC46 NC46 NC50 NC50 NC56 NC56 NC61 NC61 NC70 NC70 NC77 NC77 NC77 NC77 2 IF 2 IF 3 IF 3 IF 4 IF 4 IF 4 IF 4 IF 6 REG 6 REG 6 REG 6 REG 7 REG 7 REG 7 REG 7 REG 8 REG 8 REG 8 REG 8 REG 8 REG A.P.I. No. Other NC26 NC31 NC38 NC38 NC38 NC40 NC50 NC50 NC50 NC56 NC56 NC61 NC61 NC70 NC70 NC77 NC77 NC77 NC77 2 IF 2 IF 3 IF 3 IF 3 IF 4 FH 4 IF 4 IF 4 IF 5 REG 6 REG 6 REG 6 REG 6 REG 7 REG 7 REG 7 REG 7 REG 8 REG 8 REG 8 REG 8 REG 8 REG APPROX WT (30FT) LB 1012 1298 1412 1606 2046 2486 2761 3025 3304 3885 4191 4514 4840 5181 5786 6182 6538 6930 7260 9020 9460 10868 14949 APPROX WT (30FT) KG 459 589 640 728 928 1128 1252 1372 1499 1762 1901 2048 2195 2350 2624 2804 2966 3143 3293 4091 4291 4930 6781

Spiral Grooved Drill Collar Specifications Size O.D. 4.1/2 - 5.1/8 5.7/8 - 6.3/8 6.1/2 - 6.7/8 7 7.1/8 - 7.7/8 8 - 8.7/8 9 - 9.7/8 10 -10.3/8 11-12 Depth of Cut 7/32 1/32 9/32 1/16 5/16 1/16 5/16 1/16 11/32 1/16 3/8 1/16 13/32 3/32 7/16 3/32 15/32 3/32 Spirals 3 3 3 3 3 3 3 3 3 STYLE 2 IF 2 IF 3 IF 4 FH 4 IF 4 IF Direction R.H. R.H. R.H. R.H. R.H. R.H. R.H. R.H. R.H. Pitch 38 1 42 1 46 1 64 1 64 1 68 1 72 1 76 1 80 1 OTHER 4 XH 5 XH Type A A A A B B B B B

Spiral Grooved Drill Collar Specifications NUMBERED CONNECTIONS NC 26 NC 31 NC 38 NC 40 NC 46 NC 50

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Alloy Steel Drill Collar

Spiral Grooving Spiral grooved Drill Collars are suitable for more extreme drilling conditions. Besides reducing contact with the well wall, the spiral grooves also allow mud to circulate freely and prevents sticking that occurs due to differential pressure.

Surface Engineering Process OSS is an ARNCO certified applicator for 100XT, 150XT, 300XT and 350XT for hardbanding solutions. These are applied using a metal arc, inert gas shielded consumable electrode process. Granular tungsten carbide particles are fed automatically into the molten weld pool to obtain a uniform distribution and maximize wear resistance.

ARNCO Hardbanding

Precisely controlled pre-heat and post-heat conditions ensure that only fully-metallurgical bonded hardbanding overlays of optimum integrity are applied. The deposit is made flush to + 1/32 above the O.D. of the collar.

Our research & development partners employ Plasma Transferred Arc (PTA) welding and Laser Cladding technologies to provide even more wear resistance for your specific requirements.
Stress Relief Features Stress Relief Features reduce the cyclic fatigue caused by bending during directional drilling. A.P.I. stress relief grooves on the pin and the bore back feature on the box mitigate stress concentration caused by unengaged threads in the connection, as shown below:
Stress Relief Grooves for Connections Length of Shoulder Face Diameter of Pin Connection to Box Member Groove, Member Groove Tol. Tol. +0, -1/8 (LX) +0, -1/32 (DRG) NC44 NC46 (4 IF) NC50 (41/2 IF) NC56 NC61 NC70 NC77 41/2 FH 51/2 REG 65/8 REG 75/8 REG 4-1/8 4-1/8 4-1/8 4-5/8 5-1/8 5-5/8 6-1/8 3-5/8 4-3/8 4-5/8 4-7/8 4-3/16 4-21/64 4-3/4 5-19/64 5-55/64 6-47/64 7-27/64 4-15/64 4-55/64 5-27/64 6-13/32

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Alloy Steel Drill Collar

Slip and Elevator Grooves Slip and Elevator Grooves can be used as a lifting sub and a safety slip. This reduces drill collar handling time when tripping out.
Slip and Elevator Groove Specifications Groove Dimensions Based on Drill Collar O.D. Drill Collar O.D. Elev. Groove R C** Ranges Depth A* 4 - 4 7/32 1/8 4 4 - 5 5 - 6 6 - 8 8 & larger 1/4 5/16 3/8 7/16 1/8 1/8 3/16 1/4 5 6 7-1/2 9

Slip Groove Depth B* 3/16 3/16 1/4 1/4 1/4

D** 3-1/2 3-1/2 5 5 5

*** A and B dimensions are from nominal O.D. of a new drill collar *** Angle C and D are approximate reference dimensions *** These dimensions are not to be construed as A.P.I. Standard

Ordering Information OSS Drill Collars are available in lengths of 5, 10, 15, 20, 30 and 31 feet and in nominal sizes ranging from 3 to 14, while other sizes are available on request. When enquiring, please specify: 1. 2. 3. 4. 5. 6. Type of collars (slick or spiral grooved) O.D. and I.D. Length Connection size and type Stress relief features Other special features i.e.; hard-banding (band location and width), slip and/or elevator grooves 7. Type of thread protectors

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Alloy Steel Integrated Blade Stabilizer

OSS alloy stabilizers are manufactured from AISI 4145 H Modified Steel, fully heat treated to 285-341 Brinell hardness and 40 ft. lbs. min. izod impact strength. The blades are spiral milled in either left hand or right hand in three main configurations: Wide open Open Tight 150 to 210 over 210 to 270 over 270 to 360

The spiral blades are machined to provide maximum mud circulation. Integral ribs: Milled from the steel body and have no welded or loose parts. Hard-facing ribs: HF 1K, 2K, 3K, 5K & 6K provide tough hardcoating wear resistance over a large wall contact area, minimize torque and prevent unwanted reaming with optimum stabilization. Repair: We provide complete repair service for threads and worn hard-facing ribs. Threads connections: Made to API specification with stress relief grooves and bore backs. Thread roots are cold rolled before phosphate coating. Heavy duty rubber thread protectors are provided as standard. Blade diameters are ground to a maximum of 1/32 under gauge on all hole sizes. Hardfacing is applied on the leading edge as an additional protection.
Slip and Elevator Groove Specifications Hole Size Drill Collar Range Nominal Stabilizer Body OD Nearbit String Pin Recuts Allowed to Meet DSI Specification Extra Long Stab String Overall Length Pin Recuts Allowed to Meet DSI Specification Std Stab Fishing Neck Length Extra Long Stabilizer Fishing Neck Length Crown Length (Min) Blade Width Nearbit Std Stabilizer Tong Space String Extra Long Stab Tong Space (Min) String Std Stabilizer Overall Length

5 6 4 5 4 68 72 4 N/A N/A 28 N/A 14 2 22 22 N/A

7 9 5 7 6 72 76 2 84 4 28 28 18 2 20 20 27

10 13 7 9 8 75 80 1 100 4 28 36 18 3 20 20 32

13 17 8 10 9 85 90 1 110 4 28 36 20 3 23 23 35

18 22 8 11 9 95 100 1 120 4 28 36 22 4 23 23 35

23 26 8 11 9 101 106 1 127 4 28 36 22 4 23 23 35 Near-Bit Stabilizer

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Stabilizer Configurations
OSS Stabilization can be supplied to any of the configurations shown below, or to our customers specific requirements.

Ordering Information When enquiring, please specify: 1. 2. 3. 4. 5. Type of stabilizer (string or near-bit) Drill collar size and inside diameter Spiral type Connection size and type Type of hardfacing
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Stabilizer Mandrel and Sleeve

Used worldwide, OSS mandrels and sleeves have seen extensive service in B.H.A.s for drilling both straight holes and directionally drilled wells. Our stabilizer mandrels are available in both near-bit or string configurations and are manufactured from a single piece of material (AISI 4145H Mod or non-magnetic grades) for optimum integral strength. Engineered for easy make up using conventional plate type sleeve breakers and rig tongs, our mandrels eliminate the need for any fluid seals. The sleeves have also been designed as rigreplaceable units to help solve the problems of logistics when drilling in remote areas. All connections are manufactured and gauged to A.P.I. Standards. There is sufficient fishing neck, tong neck and mandrel upset lengths to facilitate thread and shoulder repairs. Field tests have shown that our mandrels and sleeves: Reduce fluctuation of W.O.B. caused by hang up Reduce drilling torque Improve directional control when used in a steerable system Improve rotating hour performance by 400%
Stabilizer Sleeves with HF3K Stabilizer Mandrel and Sleeve Specification DRILL COLLAR UPSET OVERALL SERIES DIA (A) DIA (B) LENGTH (C) 41 4 - -4 5" 62 47 4-5 5 62 62 6-7" 7 66 65 6-7" 7 66 77 7-8 9 68 85 8-9 9" 68 96 9-10 11 74 HOLE SIZE (A) 6-6 6-7 8-9 8-9 9-15 16-17 10-15 16-17 13-15 17-17 17-26 DRILL COLLAR DIA 4-4 4-5 6-6 6-7 7-8 7-8 8-9 8-9 9-10 9-10 9-10

BORE (H) FISHING NECK SLEEVE STRING N/Bit LENGTH (E) END LENGTH (F) 2 1 24 32 2 1 24 32 2-13/16 2 28 32 2-13/16 2 28 32 2-13/16 28 33 2-13/16 28 33 3 28 39 SLEEVE DIA (C) 5 5 7 7 9 11 10 11 11 11 11 REC. MAKE UP TORQUE Ft/Lbs 2000-2500 2000-2500 4500-5500 3500-4500 7000-8000 7000-8000 9000-10000 9000-10000 10000-12000 10000-12000 10000-12000

SERIES 41 47 62 65 77 77 85 85 96 96 96

SLEEVE LENGTH (B) 12 14 14 14 14 18 16 18 18 18 24

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Mud Motor Radial Bearing

OSS manufactures mud motor radial bearings from AISI 4145 H Modified Steel or AISI 4140, as per customers specifications. Precise Machining We are able to machine to all customers specifications within tight tolerances for error-free assembly and integration. Increased Wear Resistance Radial bearings support the radial and bending loads on the drive shaft. To this end, we have developed a proprietary hardfacing process tungsten carbide inserts spray deposit for maximum protection against radial wear. Improved Performance Our radial bearings have been used in Saudi Arabia and Oman and averaging about 450500 hours run time; this is 3-4 times longer than performance figures recorded by typical tungsten carbide cladded bearings.

Ordering Information When enquiring, please specify: 1. 2. 3. 4. 5. Type of stabilizer (string or near-bit) Drill collar size and inside diameter Spiral type Connection size and type Type of hardfacing

Lower and Upper Radial Bearing

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Hardfacing

Variations are eliminated through meticulous design and tightly controlled production techniques.

Powder Spray Deposit

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Stabilizer Hardfacing
OSS offers a complete range of hardfacing to suit all drilling conditions. Through continuous improvement, we have leveraged on our experience and technical know-how to develop expertise on wear resistance and characteristics, as well as matrix hardness. Extensive in-house research has resulted in our best-in-class application process; the increased reliability in bonding is proven by track records on the field.

HF

Crushed Tungsten Carbides are fused together within a tough polycrystalline matrix of nickel. The 3mm grain size ensures greater concentration of carbide which is ideal for soft formation drilling.

HF

In this hard-facing, trapezoidal tungsten carbide inserts are held in a sintered carbide nickel bronze matrix. This will give a greater depth of carbide coverage ideal for high deviation drilling in abrasive formations.

HF

Metal Powder spray is used to fuse the tungsten carbides. This spray deposit is ideal for abrasive formations. Recommended for non magnetic stabilizers.
HF 3K Stabilizer Blades

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Stabilizer Hardfacing
HF

(Flexicoy Technodur):Fused tungsten carbide in a nickel chrome boron matrix designed for oxy-acetylene torch application and available for components subject to high levels of wear. Flexicoy has pure nickel core surrounded by fused tungsten carbide and alloy elements for the matrix. This fused together when deposited to form a tough wear resistance surface.

HF

(Flexicoy Technosphere with Diamond TCI): Diamond inserts and tungsten carbide inserts are set in a powder spray deposit ideal for very abrasive formations.

HF 6K Stabilizer Blades

Laser Cladding

Laser cladding and coating yield high precision and homogeneity in depositing powder onto the base material. The coatings and overlays impart greatly improved performance of the desired characteristics such as: wear resistance, impact resistance, sliding wear, corrosion protection, friction modification and specific electrical properties.
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Subs

We assure you that we will never compromise on quality.

Inspected Tools

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Rotary Crossover | Kelly Saver | Float | Bit Sub

OSS drill stem substitutes are manufactured from Alloy Steel AISI 4145 H Modified, in accordance to the requirements of A.P.I. Spec 7-1. The subs can be manufactured in various O.D. sizes, complete with A.P.I. connections, to meet the needs of our customers. The thread roots can be cold rolled and phosphate coated to minimize galling. Subs are manufactured with straight or reduced section as shown. Crossover Sub short subassembly used to adapt between different thread types or sizes. Kelly Saver Sub sacrificial sub used to absorb the connection wear and extend the life of the drill stem component. Float Sub used to house the float valve and to provide for fluid flow control at the bottom of the drill stem. Bit Sub used to connect the drill bit and drill collar.
Saver Straight

Reduced Section

Ordering Information
When enquiring, please specify: 1. 2. 3. 4. 5. Use (e.g. DC/DC DC/DP Bit Sub etc) O.D.(s) and I.D.(s) Length Size and type of connection Other features (e.g. SRG, bore backs etc)

Float Sub

Crossover Sub

For reduced section substitutes, include: 1. O.D. of reduced section 2. Length of reduced section For float substitutes include: 1. Float bore and style
NM Saver Sub

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Lift Sub
OSS lift substitutes are manufactured from Alloy Steel AISI 4145 H Modified, in accordance to the requirements of A.P.I. Spec 7-1. Lift subs enable the efficient and safe handling of BHA equipment, and can be supplied with an 18 tapered shoulder as shown, or alternatively with a square shoulder. (Dial Head)
Lift Sub Specification DRILL COLLAR SIZE (A) 3 4 4 5 6 6 6 6 7 7 8 8 9 9 11 APPROX WEIGHT (LB) 40 50 84 88 150 168 168 168 169 169 257 257 320 320 368

Ordering Information When enquiring, please specify: 1. 2. 3. 4. 5. 6. Drill collar O.D. (A) Tool joint O.D. (B) Drill pipe O.D. (C) Drill collar connection size and type (D) Bore (E) Tapered or square shoulder

Tapered Lift Sub

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Circulating Sub
OSS circulating substitutes are manufactured from Alloy Steel AISI 4145 H Modified and are designed to achieve increased mud circulation by allowing a higher circulation rate to be established by routing fluid flow to the annulus. This sub typically runs above the bit or down-hole motor in the B.H.A. When activated, a chrome steel ball is dropped from the surface and mud pumps are engaged. The application of 3000 psi fluid pressure causes a pin in the sub to shear, and the sleeve and pin drop to their secondary position which opens three sub ports and divert the flow to the annulus.

Drilling flow after pin is sheared

OSS redressing kit contains: 1. 2. 3. 4. 5. 1 Sleeve 1 Ball 1 Sheer Pin 1 Pressure Plug 4 O Rings

Ordering Information OSS has a detailed set of redress procedures available. When enquiring, please specify: 1. Drill collar size 2. Drill collar connection size and type 3. Minimum I.D. of drilling tools above the circulation sub
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Universal Bottom Hole Orientation Sub

OSS universal bottom hole orientation (UBHO) sub, or mule shoe sub, is typically used in a directional drilling BHA. This sub contains a landing sleeve, as shown on the right, for measurement-while-drilling tools and directional survey equipment, and is used to establish the high side of the tool and determine the tool face offset and orientation in the wellbore. Ordering Information When enquiring, please specify: 1. 2. 3. 4. 5. Drill collar size O.D. and I.D. Length Size and type of connection Other features (e.g. SRG, bore backs etc)
Instrument Barrel Assembly

Muleshoe Sub Muleshoe Key Muleshoe Sleeve

Stinger

Muleshoe Inspection

UBHO (Mule-shoe) Sub

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Threading, Rental and Trading

Grow your business with us.

Drill Pipe TS6 Connection Repair

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Connection Cutting and Repair

Apart from cutting A.P.I. connections, OSS is also licensed to cut the below premium thread connections:

Premium Threads:
TPS Connection

TenarisHydril DSTJ Drillpipe Master DS50 TPS TS6/8

Premium connections are typically designed to have a stronger fatigue resistance and enhanced sealing properties without compromising the ease of make up and break out. These properties allow for higher forces and pressure ratings during drilling operations. Repair, Rechase and Reface We repair and rethread so that your tool can be used multiple times. All thread connections cut by OSS are gauged to ensure optimal fit and conformance to all requirements and specifications. We have the expertise in repairing:

DSTJ Connection

Non-Magnetic & Steel Collars & Pipes Non-Magnetic & Steel IB Stabilizers Non-Magnetic & Steel Screw-on-Sleeves Non-Magnetic & Steel Drill Stem Components Your Special Products
Connection Repair

Ordering Information

When enquiring, please specify:

1. Connection size and type
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Rental and Trading

OSS provides exceptional value to our customers by having a wide array of rental and traded goods to meet operational demands.

We rent: Non-Magnetic Non-Magnetic Non-Magnetic Non-Magnetic

& & & &

Steel Steel Steel Steel

Collars IB Stabilizers Screw-on-Sleeves Drill Stem Components

We trade: Cast Steel Lifting Bails Float Valves Mud Motors Break-out Machines Fishing Tools Drill pipes, and many others

The rental of such tools preserves capital, improves efficiencies and reduces equipment expenditure with no compromise on the quality of the tools. Traded tools will be 100% inspected by OSS prior to delivery, to ensure compliance to all standards and requirements. These tools will be issued with our Certificate of Conformity for traceability.

Record US$1.6M rental revenue at Sakhalin

High inventory value of US$2.5M; Turnkey products within 7 days

Quote / Respond within 48 hrs

Approved machine shop for the 5 major service providers.

R&D team breakthroughs in HF technologies (nano-tech, laser)

Machined 1600 connections for 800 pipes in 4 weeks

Ability to thread premium connections: DSTJ, DS 50 & TS6/8

Conformance to industry standards API Spec 7-1, DS 1, NS 1, NS 2

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Integral Lifting Bail

OSS integral lifting bails are fitted to drill collars to protect threads during transit and storage, as well as to provide lifting points when the drill collars require picking up or laying down. The thread and shoulders of the lifting bails are machined in accordance to A.P.I., requirements, and the normal lift capacity of the bails is 1 times of the drill collar weight.
Integral Lifting Bail Specification O.D. Range 3 3 Box Protector Connection Size & Type Wt. (lb) Wt. (lb) N.C. 23 2 REG. N.C. 26 2 I.F. 2 PAC 2 I.F. 2 X.H. N.C. 31 3 REG. N.C. 35 3 X.H. N.C. 38 3 I.F. N.C. 40 4 F.H. 4 REG. 4 F.H. 4 I.F. N.C. 46 4 H-90 5 REG. 5 H-90 N.C. 50 4 I.F. 5 F.H. 6 REG. 6 H-90 N.C.61 7 REG. 8 REG.

4 4

4 5

12 15 21 20

10 14 19 18

5 5 5 6 6 6 6 7

23

20

7 8

33 32 66 77

30 32 62 73

8 9 9 10 10 11

Integral Lifting Bails

Ordering Information When enquiring, please specify: 1. Connection size and type 2. Pin / box protectors needed
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Float Valve
OSS supplies a complete line of float valves, repair kits, and puller assemblies to accommodate a wide range of drilling environment and operating conditions. The float valves are made from low carbon steel suitable for most applications, include H2S conditions. These float valves also provide added blowout protection at the bottom of the drill-string, prevent flow-back during addition of joints, as well as keep cuttings out of the drill pipe and prevent bit plugging during connection making. Typically, the only service required is replacement of the valve seal, which can be accomplished in seconds without any special tools. OSS supplied float valves are easily installed by lubricating the side seals and sliding them into the cavity of the float sub or drill collar.

Model F Plunger

Model G Flapper

Model F Plunger Type Plunger type valve offers positive and instant shut-off. In normal drilling operations this model offers economy and durability. The piston type stops flowback when making connections and keeps cuttings out of the drill string Model G Flapper Full Flow Flapper style valve features an investment cast flapper. Its quick opening for full flow through the valve. Designed for highly abrasive drilling fluids. Model FX Plunger Type Suitable for well bores with high bottom hole temperatures, hydrogen sulphide, carbon dioxide or highly abrasive hematite mud.
Rubber Repair Kit

Metal Repair Kit

Ordering Information
Model GA Flapper Full Flow w/Carbide Identical to the G except for a carbide orifice in the flapper. Allows differential pressure readings at surface.

When enquiring, please specify: 1. Type of float valve 2. Metal / rubber repair kits if needed

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Mud Motor
OSS offers a range of downhole mud motors from 1. OD to 11.OD in diameter for use in a wide variety of situations.

The mud motors have 7.0MPa and 14.0MPa bit nozzle differential pressure. The adjustable bend housing has a 0 to 3 bend angle, and is adjustable on the rig. Motors have a hollow cavity with a nozzle and a stator which can accommodate different drilling muds, from conventional temperatures of 120C to high temperatures of 180C.
Solid and bored rotors are precision machined and polished to achieve a smooth and accurate finish. Each rotor is then carbide-coated to resist corrosion and wear this improves tool life significantly when compared to conventional chrome plating.
Downhole Mud Motor Specification Tool Recommended Thread Connection Size Hole Size (Ins) Bypass Bit Sub Box OD (Ins) Valve Box Up Down 3-" 4-" 6-" 8" 9" 11-" 4-" - 5-" 6" - 7-" 7-" - 9." 9-" - 12-" 12-" - 17-" 17-" - 26" 2-"Reg 3-"Reg 4-"Reg 6-"Reg 6-"Reg 7-"Reg 2-"Reg 3-"Reg 4-"Reg 6-"Reg 6-"Reg 7-"Reg Rotary Output Max Max Max Speed Torque Pressure Torque Output (RPM (Ft-Lb) Loss (Ft-Lb) Power (PSI) (HP) 60-140 143-429 319 616 423 35 130-260 128-256 1313 819 1855 90 120-240 163-325 797 616 997 62 120-250 122-245 1007 616 1338 62 330-650 66-132 5628 819 7823 197 1000-1500117-176 10915 742 17463 365 Flow Rate (GPM)

Power Section Configurations

Increasing torque

Increasing speed

Rotor-Stator

Ordering Information When enquiring, please specify: 1. Size of mud motor 2. Power sector configuration 3. Operating temperature
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Break-Out Machine
OSS provides and services make-up and break-out machines for workshop makeup and break-out of up to 8-5/8 regular connections. The machine can be used for handling small diameter tools in extremely low torque applications or high torque requirements up to 190,000 foot pounds (260kNm) for larger tools. Loading and unloading of the work piece is aided by built-in rolling ball type support jacks and a powered, movable tailstock. Both headstock and tailstock contain a chuck with six radially arranged hydraulic pistons which grip the work piece in synchrony. The clamp force increases proportionally with torque, which is applied by two hydraulic cylinders rotating in the same direction. The power torque can be set to automatically make-up or break-out, thus eliminating the tedium of manual repetition. The system is computerized; torque parameters can be set and raw chart copies of the operation can be generated.
Screwing Tong Rotary Device

Integrated Cylinder and Piston with Replaceable Tong Die

Break-Out Machine

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Break-Out Machine
Break-Out Machine Dimension and Specification Hydraulic Console Electric motor power Operating pressure Power Chuck (rotating and sliding chuck) Suitable tube O.D. Break-out torque (max) Make-up torque range Faster Screwing Tool Suitable O.D. Screwing torque Draw Rotor Tool Max. push Max. draw Main Frame Bed length Capacity 350V, 50Hz 2000 psi 3-1/2 15-3/4 190,000 ft-lbf 4,000 ft-lbf to 150,000 ft-lbf 2-3/8 15-3/4 2,950 ft lbf 60,000 ft-lbf @ 24 max 40,000 ft-lbf 16 ft. 20 tons

Ordering Information

For further enquiries, please contact the OSS sales team: sales@ossapi.com

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Satellite Workshops

We can contribute to your success, by tailoring to your needs.

Precision Machining

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Location Capabilities
Location OSS Singapore OSS Tianjin OSS India (Mumbai) OSS India (Kakinada) PT OSS (Jakarta) Olio Oilfield Services Sdn Bhd (Labuan) SVP Songkhla SVP Sattahip Facility Size 60,000 sq. ft. 5Ton Crane 10,800 sq. ft. 5Ton Crane 6,000 sq. ft. 5Ton Crane 217,800 sq. ft. 5Ton Crane 12,000 sq. ft. 3Ton Crane 16,500 sq. ft 5Ton Crane 9000 sq. ft. 5Ton Crane 5000 sq. ft. 5Ton Crane Manufacturing Machining Repairs Hard-facing Repairs Break-out Services

All satellite workshops, like OSS Singapore, will be audited and attain A.P.I. accreditations such as A.P.I. Spec Q1, Spec 7-1, along with ISO9001:2008 and ISO/TS29001:2010 with A.P.I. Monogram licence.

The satellite workshops are strategically located to better service our customers operations. Apart from reducing turnaround time, we are also able to provide substantial cost-savings due to improved inventory logistics and dedicated after-sales service to address any needs. Our daily production is capable of running 2 shifts as we understand the time sensitivity and urgency of all our customers. In this regard, customers can be assured of timely deliveries and competitive pricing; these are strategic solutions that OSS can offer to our valued partners.

Labuan

Kakinada

Tianjin

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A One-Stop-Shop for your directional drilling equipment needs.

Contact Us

Singapore (Headquarters) No. 20 Tuas Ave 10 Singapore 639144 Tel: +65 6542 5933 Fax: +65 6542 6355 sales@ossapi.com

Tianjin, China No. 49 Muning Road Tianjin Economic & Technological Development Area Tanggu, Tianjin, PRC 300457 Tel: +86 22 25321691 / 59845210

Mumbai, India L39, MIDC Taloja, Dist. Raigad New Mumbai, India 410208 Tel: 91 22274 01944

Kakinada, India Plot No. 16, Phase II Industrial Park Peddapuram, Dist. East Godvari Andhra Pradesh, India 533437 Tel: +91 92470 09992

Jakarta, Indonesia Jl Cikunir Raya RT 003/011 Kel Jatimekar Kec. Jatiasih Bekasi Indonesia Tel: +62 21 8211257

Labuan, Malaysia Lot CG205002026 Kampung Sg Keling Jalan Rancha Rancha 87007 Wilayah Persekutuan Labuan Tel: +60 87 582885 / 583885

http://www.ossapi.com

kay@ossapi.com | kenneth@ossapi.com | sales@ossapi.com

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