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Fixed Cutter Bits Nomenclature & Features: Shine Narayanan Bits Product Engineer Schlumberger 14 March 2014

This document provides examples of nomenclature systems used for fixed cutter drill bits, along with explanations of some common features. It gives an example of the naming convention for a PDC bit with annotations explaining the meaning of each element in the name. A second example is provided for an impregnated bit nomenclature. The document also lists common blade count densities and profile types used in bit designations.

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Hrishikesh Shinde
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382 views7 pages

Fixed Cutter Bits Nomenclature & Features: Shine Narayanan Bits Product Engineer Schlumberger 14 March 2014

This document provides examples of nomenclature systems used for fixed cutter drill bits, along with explanations of some common features. It gives an example of the naming convention for a PDC bit with annotations explaining the meaning of each element in the name. A second example is provided for an impregnated bit nomenclature. The document also lists common blade count densities and profile types used in bit designations.

Uploaded by

Hrishikesh Shinde
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Fixed Cutter Bits

Nomenclature & Features

Shine Narayanan
Bits Product Engineer
Schlumberger
14th March 2014

PDC Bit Nomenclature Example

(5)
(H)

MDSi 616 LHBPX-O

(4)

(1)
(3)

(L)
(S)
O: ONYX PDC Cutters
PX:Diamond Gauge pad protection

B: Back reaming Cutter


H: Higher Number of Nozzles
L: MDOC
(PX)
16: Cutter Size in mm
(B)
6: Blade count
i: IDEAS Certified
S: Backup cutters
D: Directional Profile
M: Matrix Body ( S for Steel)

(6)

(2)

Bit Features Description

Bit Features Description

Impregnated Bit Nomenclature Example


K 703 TBPXC

C: Box connection
PX: Diamond gauge pad protection
B: Back reaming Cutters
T: Turbine Sleeve
Third digit based on Profile
(B)
Second digit based on Product Line iteration
First digit based on Blade count Density
K: Product Line prefix

BLADE COUNT/DENSITY
1--2
3--4
5--6
7--8
9

Very heavy
Heavy Set
Medium Set
Light
Very Light

PROFILE
3
5
7

Round
Medium Parabolic
Long Parabolic

(T) (C) (PX)

Bit Features Description

Cutter Technology

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