8/11/2019 MM84DH-Oman Case History
1/1
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MM84DH Drill Bit
MM84DH
CHALLENGE
Te 8-3/8 hole section o wells in Abu Butabul field spans
differentormations with high variations in lithology, including
carbonates,compacted claystone, and very abrasive Siltstone and
Sandstone. Withcompressive rock strength that ranges rom 15,000 to
35,000 PSI, theresulting hardness and abrasiveness typically
required the customerto use several impregnated bits on a turbine
motor in order to achievesection D.
Halliburton Drill Bits and Services was challenged to provide a
PDCbit solution that would achieve multiple planned objectives:
replacethe impregnated bits and turbine with a long-lasting PDC
that wouldeliminate the trip time to surace or bit changes; and
both extenddrilling depth per bit and achieve higher ROP.
SOLUTIONHalliburton Drill Bits and Services worked with the
customer, usingthe DatCISMprocess to develop a cost-effective and
reliable solutionusing a MegaForceMdrill bit design run on a Rotary
Packed Assembly.
Te resulting eight-bladed MM84DH eatured an aggressive
dual-rowcutting structure incorporating advanced 13mm -
SelectCutterMPDCtechnology. Reinorcing the nose, shoulder, and
gage, the dual-rowcutting structure helps extend bit lie once the
primary cutters becomeworn or damaged, while the SelectCutter PDC
technology combinesuperior abrasion- and impact-resistance with
greater thermal stabilityto withstand riction heat generated during
the drilling process andlimit heat build-up.
Te 8-3/8 MM84DH bit successully drilled shoe to shoe, a total
o994.5 meters (3,263 f) in 121 hours, achieving an average ROP o
8.2
m/hr (27 f/hr), and setting a new record or the longest and
astestinterval in the field.
VALUE CREATED
In this outstanding single run perormance, the MM84DH
MegaForcedrill bit rom Halliburton Drill Bits and Services
successully achievedall planned objectives, as well as drilling the
longest and astest sectionin Abu Butabul field reducing well
construction time by 19.5 days.
MegaForceTMBit Drills Longest, Fastest 8 3/8 Section
in Abu Butabul Field
For more inormation, please contact
[email protected]
R RR
MM84DH MM84DH MM84DH MM84DH
Drilled(m)
ROP(m/hr)
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500
250
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0.0
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M
CASE HISTORY
Drill Bits
