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Bi-center bit

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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180572-MS
... well to place the casing shoe exactly at right depth to achieve well objectives. Hence, use of Bi-center bit to simultaneously drill & under ream without any pass through restriction was evaluated. Several critical issues, related to application and BHA design, were faced by the Well Engineering...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 3–6, 2008
Paper Number: SPE-117248-MS
... Abstract When control drilling interbedded formations due to lost circulation challenges, Bi-Center bits often fail to open the hole to the expected drill size. Possible causes include inconsistent downhole weight on bit due to formation changes, lateral and torsional vibration. Each leads...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 12–15, 2005
Paper Number: SPE-92886-MS
... in. liner. A 6-1/8 in. production hole is then drilled horizontally to total depth (TD). society of petroleum engineers installation expandable liner production hole directional drilling well plan solid expandable tubular technology objective bi-center bit technology drilling operation...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference, November 23–25, 1997
Paper Number: SPE-39247-MS
... wellbore integrity drilling operation carbonate reservoir utilization bit design Wellbore Design Solve Undergauge Hole Problem casing design casing and cementing Dukhan field bit selection complex reservoir Upstream Oil & Gas bi-center bit technology Abstract This paper...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 15–18, 1994
Paper Number: SPE-27471-MS
... SPE Members Abstract This paper discusses the application of a novel design two-piece polycrystaline diamond compact (PDC) bi-center bit which was successfully used to drill a deep exploration well, off the East Coast of Trinidad New records were achieved on this well by using four different...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 18–21, 1992
Paper Number: SPE-23869-MS
... Quintana, J.L.,* ARCO Oil and Gas Co. SPE Member Abstract The first polycrystalline diamond compact (PDC) bi-center bit application in California reduced cost per foot and helped eliminate tight hole problems associated with Pliocene age overpressured swelling shales. The bi-center bit...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1986
Paper Number: SPE-15514-MS
... Abstract This paper describes the design and use of a bi-center bit while drilling/underreaming a moving salt zone. The bit was used on the end of a 16 in. underreamer to drill an 11-3/8 in. pilot hole. When rotation was stopped, the bi-center design allowed the bit to gauge only 10-5/8...
Proceedings Papers

Paper presented at the Kuwait International Petroleum Conference and Exhibition, December 14–16, 2009
Paper Number: SPE-127473-MS
... the pilot hole. Because the bi-center bit has a pilot section that can be used for drilling a smaller pilot hole and a reamer section for enlarging pilot hole to a final hole size, therefore it shoud be able to produce faster ROP compared to conventional one stage PDC bit. The field results revealed...
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Well plan using solid expandable tubular and <span class="search-highlight">bi</span>-<span class="search-highlight">center</span> <span class="search-highlight">bit</span> technology
Published: 12 March 2005
Figure 4 Well plan using solid expandable tubular and bi-center bit technology More
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Solid expandable openhole liner with a <span class="search-highlight">bi</span>-<span class="search-highlight">center</span> <span class="search-highlight">bit</span> hole isolating the gas...
Published: 12 March 2005
Figure 7 Solid expandable openhole liner with a bi-center bit hole isolating the gas cap More
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Face and side view of the <span class="search-highlight">Bi</span>-<span class="search-highlight">Center</span> <span class="search-highlight">bit</span> with TCC. This was utilized in the ...
Published: 25 August 2008
Figure 16 Face and side view of the Bi-Center bit with TCC. This was utilized in the GoM point RSS applications. More
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Face view of the next generation <span class="search-highlight">Bi</span>-<span class="search-highlight">Center</span> <span class="search-highlight">bit</span> developed specifically for P...
Published: 25 August 2008
Figure 17 Face view of the next generation Bi-Center bit developed specifically for Point RSS More
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