TECH REPORT
MARTIN COUNTY, TEXAS
MIDLAND BASIN
Limestone, dolomite,
sandstone, and shale
Bit diameter
12.25 in
Weight on bit
25,000–32,000 lbf
Section length
2,972 ft
Total depth
8,434 ft
RSP Permian LLC Improves ROP 35% by Using
AxeBlade Bit Through Multiple Formations, Texas
Ridged diamond element bit achieves high ROP through limestone,
dolomite, sandstone, and shale formations in Midland basin
Background
Offset Well
Offset Well
Offset Well
Offset Well
Offset Well
Offset Well
Case Well
XS716S
RSP Permian LLC wanted to increase ROP when
drilling through multiple formations in the Midland
basin. Using conventional PDC bits, the ROP in
previous wells had ranged from 41 to 65 ft/h.
100
1,000

2,000
84
3,000
Technology
AxeBlade* ridged diamond element bit
4,000
Depth, ft
■■
Offset Well


5,000
6,000


46
55
61

62

63

65
90
80
70
60
50
40
30
20
9,000
*­ Mark of Schlumberger
Other company, product, and service names
are the properties of their respective owners.
Copyright © 2017 Schlumberger. All rights reserved. 17-BDT-223868
The operator decided to run
the AxeBlade bit to TD through
limestone, dolomite, sandstone,
and shale formations. It achieved
an ROP of more than 84 ft/h,
increasing ROP 35% compared
with that achieved by the PDC bit
and 38% compared to the offset
median. This was the highest
ROP that had been experienced
in previous wells on the same
well pad.
41
7,000
8,000
ROP, ft/h
Lithology
Depth in
Interval drilled (PDC bit)
Interval drilled (AxeBlade bit)
10
ROP, ft/h
0
slb.com/axeblade