Schlumberger

Spear Shale-Optimized Steel-Body PDC Bit

Available Spear Tools 
6" SDi513, SDi611, SDi516, SDi711
6 1/8 in SDi513, SDi711, SDi516, SDi413, Si513
6 1/4 in Si513, SDi513, SDi511, SDi711, SDi611
6 1/2 in SDi513, SDi611, SDi711
6 3/4 in SDi711, SDi511, SDi513, SDi611, SDi613, SDi711SPXW
7 7/16 in SDi613
7 7/8 in SDi513, SDi516, SDi611, SDi416, Si616, SDi413
8 1/2 in SDi513, SDi516, SDSi413, SDi611, SDi613, SDi519, S519, S416, Si419, SDi616, SDAi513, SDSi519
8 5/8 in SDi516
8 11/16 in SDi516, SDi513
8 3/4 in SDi513, SDi516, SDi611, SDi519, SDi613, Si419, SDi413
9 7/8 in SDi611, SDi516
10 5/8 in SDi516
12 1/4 in SDi516, Si619, SSi619
16" SDi519
17 1/2 in SDi516, SSi619, SDi613

Redesigned Spear Bit Drills Haynesville Shale 19% Faster

New Spear PDC bit drilled curve and lateral sections with ROP increase of 19%
The redesigned Spear bit increased ROP 4.1 ft/h on 6 3/4-in curve and lateral sections. Read case study

Next-Generation Bit Designed for Shale Applications

Spear Shale-Optimized Steel-Body PDC Drill BitSpear Shale-Optimized Steel-Body PDC Drill BitSpear Shale-Optimized Steel-Body PDC Drill BitSpear Shale-Optimized Steel-Body PDC Drill Bit
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Nomenclature

Spear Nomenclature
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