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1.5 Drill Bits

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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1660
... of the bit for different air inlet amounts as 0.1225 kg/s, 0.5 kg/s, 1.0 kg/s, and 1.5 kg/s. The RC performance of a hammer bit can be evaluated by the high negative pressure inside the drill bit and the high suction capacity of the system, as well as the air velocity distribution inside the drill bit...
Journal Articles
Petrophysics 62 (03): 230–243.
Paper Number: SPWLA-2021-v62n3t1
Published: 01 June 2021
... The new technology starts with the introduction of the (24 in.) boreholes, and improved reliability 1.5-in.-diameter rotary sidewall coring tools for deep water x New drill bits and catcher rings to use a high-power over a decade ago. Many applications and technologies system and operate in harsh coring...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 7–10, 2016
Paper Number: SPE-183381-MS
... diameter technology bit in conjunction with directional 8¼ in. PDM (0.16 R/G, 7/8 lobes, 4 stages, 1.5 BH) BHA was tested in a directional application J-Shape well in Burgan Field, South of Kuwait. The bit was able to deliver improved performance by drilling the tangent section from 4345 ft to 6019 ft from...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5002
...-strength wireline cables - New drill bits and catcher rings to utilize higher power and operate in harsh coring environments - Cutting and handling advancements for soft and hard formations - Combinability upgrades to reduce wireline trips - Dual-coring tools with the ability to have different catcher...
Proceedings Papers

Paper presented at the SPE Annual Caspian Technical Conference, November 15–17, 2022
Paper Number: SPE-212073-MS
...-and-vibration behaviors, and bit/BHA damage; factors including bit size and applied drilling parameters affect these conditions. This manuscript demonstrates the study and successful field application performed on different approaches, including bit/BHA selection, hydraulics enhancement, and drilling fluid...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1606
... height difference between PDCs and IDCs, ROP of analog hybrid bits can be promoted effectively, the optimal height difference between PDCs and IDCs for granite and quartz is respective 1–1.5 mm and 0.5–1 mm. Field drilling test of two full-size PDC-IDC hybrid bits in granite formation of JinShan block...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201850-MS
... construction time via the use of new, improved technologies became one of the highest priorities. A few decades ago, due to the complex geological structure that characterized Belarus deposits, drilling was carried out mainly by the rotary-turbine method. This method used roller cone and impregnated bits...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, May 23–26, 2011
Paper Number: SPE-140913-MS
... the motion behavior. Figure 10 shows an example of a core sample (Tuff) set at 1.5 deg. with the use of a PDC core bit while such drilling parameters as the ROP, torque on bit, WOB, rotary speed of drill-string, flow rate, and stand pipe pressure (SPP) versus depth were set as follows: ROP: 0 ∼ 15 m/hr...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-207
... and Shale 0 5 10 15 20 25 30 0 0.5 1 1.5 2 2.5 3 3.5 DBG R O P (m /h ) Limestone Shale Poly. (Limestone) Poly. (Shale) Fig. 10. Effects of rock types and insert wear on ROP (Bit=IADC537). IADC537 Bit Drills Lime and Shale 0 0.2 0.4 0.6 0.8 1 1.2 0 0.5 1 1.5 2 2.5 3 3.5 DBG N o rm a li z e d R O P Limestone...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 19–22, 2014
Paper Number: IPTC-17486-MS
... in a 1.5-m target window. The RSS, in contrast, provides both the survey and azimuthal gamma ray sensor only about 2 m behind the bit, which allows better well control and early bed boundary detection for the steering of the well. 6 IPTC 17486 Fig. 6 The RSS improves drilling efficiency. Furthermore...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196020-MS
... 1.5°(3.79'btb) w/SS1 × IBS1 × MWD × IBS1 +0.60 +12.24 -11.28 CS1 Well F 4 Wolfcamp A 8-1/2" PDC(7"G) × 7" Motor EW 1.5°(5.00'btb) w/SS1 × IBS1 × MWD × IBS1 +1.28 +11.52 -9.27 The CS1 Well F Wolfcamp A lateral was drilled next with a similar bit and stabilizer configuration...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-115187-MS
.... The objective was to compare the response (ROP) of the various bit configurations under fixed conditions. P1: 400 RPM – constant WOB 1.5 T P2: 400 RPM – constant WOB 3T P3: 800 RPM – constant WOB 1.5 T Tables A-2 and A-3 (appendix) present the drilling tests experimental results. The ROP...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29457-MS
... million wells, including 75,000 offshore wells drilled worldwide since 1980 with nearly 5 million total bottomhole assembly (BHA) runs from over 100 countries. Since 2009, over 1.5 million BHA runs drilling 2.6 billion feet of formation have been captured. Being able to visualize and understand...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Conference and Exhibition, January 28–30, 2013
Paper Number: SPE-164028-MS
... with higher drilling parameters and improved drilling practices. The new PDC bit design broke its own field record by 30%, achieving an average run ROP of 47 m/hr, saving the customer 1.5 days over the field average and USD 53,000. Case Study 2- Field B (<xref ref-type="fig" rid="F3">Fig. 3...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 20–23, 2018
Paper Number: OTC-28457-MS
... reduction in stuck events when using a bit reamer. Table 1 Application Results of Expandable Reamer in Halite Formation Wellname 16 Hole length (m) Stuck Caused NPT(d) Synthetic Based Drilling Fluid Bit Reamer X-5 1525 3.1 None None X-9 1766 11.7 None None X-40 1253 2.2 Yes 9.5 Dog sub X-41 645 1.5 Yes 9.5...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199640-MS
... = 1.5 (3.81) 20 (88.97)-33 (146.79) No, drill bit inserts 9 L = 4 (10.16), D = 1.5 (3.81) 20 (88.97)-50 (222.41) Yes, optimized Test #3*: D = 2.25 inches (5.72 cm) for first 1 inch (2.54 cm) of pilot and reduced to 1.5 inches (3.81 cm) for remaining 3 inches (7.62 cm) of pilot...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-121790-MS
... the bits and the drilling group, and was implemented as soon as possible. In Fig. 3 and Fig. 4 , both designs are shown with their different geometries. The principal change is the length of pad of 1.5 in. to 3.25 in, as shown in Fig. 8 and Fig. 9 . Results and Feedback One of the key factors...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20370-MS
... was set at 13,100ft, building angle up to 27° with a 1.5° DLS. Tangent was held for 4500ft before dropping back to vertical with the casing set at 20327ft. The drilling team elected to use a 12-1/4 PDC bit coupled with an under-reamer to open the hole up to 14-3/4 to avoid the problems with salt creep...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125858-MS
... at a 14° BUR to 10,080 ft and then trip out for PDC bit to continue drilling this section to 10,326 ft. The 7-in. casing was run, but, became stuck as a result of high dogleg and cemented at 9,746 ft MD. The 6-in. lateral section was drilled with 8.8-to 9.5-lbm/gal brine water using a 1.5° geosteering...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0368
... ABSTRACT: Polycrystalline Diamond Compact (PDC) cutter tests were performed on different rock samples under atmospheric pressure to compare the impact of different cutters arrangements on drilling parameters. The precise effect of cutter geometry and area on a flat bit was studied...

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