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Keywords: limestone
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Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204012-MS
... limestones showing highly connected porosity and subsequent permeability. The Dogger (mid-Jurassic) carbonates host a dependable reservoir of regional extent within the aquifer sequence exploited since the late 1970s with a total of 61 GDH doublets drilled, of which 36, including six triplet recompleted...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194148-MS
... limestone rahmani shale torrey buff sandstone baseline cutter society of petroleum engineers Numerous research has indicated that rock strength is a major but not the only factor affecting rate of penetration. Other rock properties including permeability, clay content, grain shape, size...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178765-MS
... drilling of a PDC bit exiting soft shale then encountering hard limestone at an ROP of 60 ft/hr. The conventional PDC cutter suffered catastrophic failure on first impact which completely destroyed the cutter's sharp edge ( Figure 4 ). Conversely, the conical diamond element survived over 100 impacts at...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173029-MS
...) and mitigating stick-slip and excessive torsional oscillations. The 12¼-in. section was drilled through a relatively homogenous cretaceous limestone sequence with a small percentage of chert bands. The limestone became progressively harder with depth but remained drillable using the PDC bit. The...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173144-MS
... of costly downhole measurement/steering tools. The reduction in vibration using CDE bits was then confirmed in a south Texas field test ( Figure 10 ). Figure 9 In a simulated drilling through 30,000 psi limestone at 20,000lbs WOB, the CDE bit displayed 86% lower lateral vibration than a...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163505-MS
... up to ground level is comprised of a mixed succession of sandstones, mudstones and limestones. The 17.5 in. section intersects the dolomitic limestone of Fars, Rus and Umm Er formations before intersecting the thick mudstone of Shargi formation. Shargi is known to have borehole stability problems of...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2012
Paper Number: SPE-151789-MS
... portwood shale kuwait carbide grade insert geometry penetration rate limestone carbonate drilling challenge application mutriba reservoir modeling & simulation durability footage bit design zubair tci bit Conventional oil reserves in Kuwait are generally found in shallow...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, February 2–4, 2010
Paper Number: SPE-128720-MS
... time and has impacted the economics of this play significantly. higher differential pressure limestone dolomite high-performance motor directional drilling lateral section drilling operation williston basin lateral differential pressure spe iadc 128720 anhydrite dogleg sandstone...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 20–22, 2007
Paper Number: SPE-105594-MS
... Directional Drilling rpm 60 ROP limestone drilling operation bedford carthage 1 BHA degreesside degree side spe iadc 105594 Upstream Oil & Gas bit tilt build rate RPM bit selection steerability bedford carthage 3 1 prediction Indiana sideload Copyright 2007, SPE/IADC...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 20–22, 2007
Paper Number: SPE-105521-MS
... bit life - in the North Field. Table 1 Major ROP Limiters Homogenous Intervals Lithology BSC Axial Lateral Arg* Limestone (ALS) P Claystones (CS) P Limestone (LS) P S Dolomite (DOL) S P Anhydrite (AH) P * Argillaceous ~ high clay mineral content lithology Table 2 Major ROP Limiters Heterogeneous...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 20–22, 2007
Paper Number: SPE-105522-MS
... field test self penetration application Directional Drilling groove ROP Buxy limestone Bit Booster TM spe iadc 105522 Upstream Oil & Gas cutter geometry limestone penetration interaction drilling operation conventional bit torque evolution WOB Copyright 2007, SPE/IADC...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 20–22, 2007
Paper Number: SPE-105885-MS
.... Rock Samples and Preparation. The rock used for the Deep Trek tests included Crab Orchard sandstone, Carthage marble, and Mancos shale. These rocks were selected to approximate the properties of similar rock in the Arbuckle play (hard SPE/IADC 105885 3 sandstone and hard limestone) and Tuscaloosa field...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 23–25, 2000
Paper Number: SPE-59220-MS
... methodology was introduced to control the water flow through the annulus after casing cementation. high pressure mud weight sand body clyst well control limestone siltstone upstream oil & gas pakistan structural geology adhi well potwar basin circulation anticline plug inflow murree...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 9–11, 1999
Paper Number: SPE-52877-MS
... This paper was prepared for presentation at the 1999 SPE/IADC Drilling Conference held in Amsterdam, Holland, 9-11 March 1999. cutter bit design drilling operation management upstream oil & gas limestone spe iadc 52877 strength masseria vincelli 1 monterone 1 penetration rate...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, March 12–15, 1996
Paper Number: SPE-35078-MS
... directional drilling contractor drilling contractor operator drilling operation shale incentive scheme field development iadc spe 35078 risk management shuaiba biodun ogidan spe 35078 limestone construction saih rawl field incentive well design iadc spe 35078 upstream oil...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, March 12–15, 1996
Paper Number: SPE-35113-MS
... bits have not succeeded in the past. The first ~rtion was mainly made up of alternating sands and shafes with s~t zones of conglomerates erotically encountered. The second portion was made of dense shales and cemented sandstone stringers, with allemandes of limestones. In spite of acceptable...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 22–25, 1993
Paper Number: SPE-25733-MS
... iadc spe 25733 matrix bp iadc spe 25733 limestone drilling cost cost prediction estimate SPE/IADC 25733 PDC Bit Selection Through Cost Prediction Estimates Using Crossplots and Sonic Log Data J.L. Falcao, * Petrobras; EE. Maidla, * * Unicamp; C.F. Dumans,t Petrobras; and J.F. Dezen, Unicamp...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 18–21, 1992
Paper Number: SPE-23880-MS
... marine limestone) was deposited mar- ginally to the Gulf of Mexico during the Cretaceous period (90-60 million years ago). Deposition occurred in warm Cretaceous seas on a gently sloping, stable ramp tilted towards the Gulf of Mexico (Fig. 1). Cloud, Davis, and Scholle described and interpreted the...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 11–14, 1991
Paper Number: SPE-21928-MS
... predicted forces can be SPE 021928 S. M. BEHR, T. M. WARREN, L. A. SINOR, J. F. BRETT safely assumed to be correct. Figure 1 shows a com- parison of the predicted and measured weight-on-bit and torque for a bit that was tested in Carthage limestone. This bit had 3/4 in. cutters arranged on 4 blades. The...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 11–14, 1991
Paper Number: SPE-21975-MS
... associated with cement placement. placement. P. 649 drilling fluids and materials casing design valve circulation packer fluid reduction khuff well spe iadc 21975 completion khuff gas well ppg limestone lbift pcf drilling fluid property annular fluid migration khuff completion...

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