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Keywords: cutter
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Journal Articles
SPE Drill & Compl (2023)
Paper Number: SPE-208707-PA
Published: 06 February 2023
... documentation, when coupled along with an understanding of the different PDC cutter and bit damage mechanisms which may occur, enables the rigsite team to identify the dysfunction and implement the changes needed. While other data sources, such as digital drilling data, should be analyzed to estimate the event...
Journal Articles
SPE Drill & Compl (2022)
Paper Number: SPE-212840-PA
Published: 09 November 2022
...Bo Yang; Yuchun Kuang; Zhou Jingpei; Li Hu; Peng Fan Summary Aiming at the difficulty of penetration in hard-plasticity formation represented by the Mahu oil field, a new type of chord-edge cutter is proposed. Through theoretical derivation and quantitative analysis of specific unit pressure (SUP...
Journal Articles
SPE Drill & Compl 36 (01): 11–28.
Paper Number: SPE-199598-PA
Published: 17 March 2021
...Reza Rahmani; Paul Pastusek; Geng Yun; Tom Roberts Summary Robustness of round and V‐shaped polycrystalline diamond compact (PDC) cutters against mechanical and thermal load was evaluated. Forensic analysis was used to estimate the range of loads and depths of cut (DOC) that cause structural...
Journal Articles
SPE Drill & Compl 33 (02): 115–129.
Paper Number: SPE-187644-PA
Published: 02 June 2018
...Shilin Chen; Yazan Khlefat; Chris Cleboski; Seth Anderle; Zakaria Maouche Summary This paper discusses a new and general method of backup-cutter layout to extend bit life without sacrificing rate of penetration (ROP) and two field-case studies. This method includes the following aspects: Ensuring...
Journal Articles
SPE Drill & Compl 32 (04): 234–244.
Paper Number: SPE-186106-PA
Published: 10 July 2017
... with suction-type minicore drills. The basic working principle of this new PDC bit is to remove the main cutters in the center of the PDC bit. The new PDC bit can generate minicores of formations with a certain diameter and break these cores in a timely manner during drilling. By use of a special hydraulic...
Journal Articles
SPE Drill & Compl 30 (04): 334–347.
Paper Number: SPE-171833-PA
Published: 31 December 2015
...Shilin Chen; Greg Grosz; Seth Anderle; Rob Arfele; Keshan Xun Summary Almost all previous cutter-force models assumed that cutting force was proportional to cutting area. Cutting-area-based single-cutter-force models were extensively used in polycrystalline-diamond-compact (PDC) -bit design...
Journal Articles
SPE Drill & Compl 28 (04): 338–349.
Paper Number: SPE-168224-PA
Published: 09 December 2013
...S.. Chen; R.. Arfele; S.. Anderle; J.. Romero Summary It is well-known that cutter layout on a polycrystalline-diamond compact (PDC) bit plays a key role in bit stability and drilling efficiency. In today's PDC bit, cutters are laid out according to two general principles: single set or track set...
Journal Articles
SPE Drill & Compl 27 (01): 145–157.
Paper Number: SPE-150001-PA
Published: 27 February 2012
... conditions that PDC cutters experience during rock drilling. The setup is shown in Fig. 12 . Fig. 12 Setup for the fatigue test. The progression of damage on the specimen surface was monitored optically in real time using a stereo optical microscope with a magnification of 40X, while...
Journal Articles
SPE Drill & Compl 26 (04): 519–530.
Paper Number: SPE-125093-PA
Published: 27 December 2011
... friedheim concentration investigation WSM december 2011 engineering operation van Oort cutter optimization rop bit design drilling time stability MPSR bit selection pdc bit sandstone downhole motor torque kuwait march 2011 optimize high-pressure high-temperature exploration activity...
Journal Articles
SPE Drill & Compl 26 (04): 569–577.
Paper Number: SPE-139511-PA
Published: 05 December 2011
... a stuckpipe hazard event. Historical pipe cutting or severing has been hindered for decades by high bottomhole pressures (BHPs) and internal-diameter restrictions. Chemical cutters and plasma cutters are most affected by the effect of hydrostatic pressure on their method of pipe separation, while jet cutters...
Journal Articles
SPE Drill & Compl 26 (01): 96–103.
Paper Number: SPE-128741-PA
Published: 01 March 2011
...Rolf Pessier; Michael Damschen Summary Early concepts of hybrid drill bits go back to the 1930s, but the development of a viable drilling tool has become feasible only with the recent advances in polycrystalline-diamond-compact (PDC) cutter technology. This paper describes a new generation...
Journal Articles
SPE Drill & Compl 26 (01): 104–114.
Paper Number: SPE-114635-PA
Published: 10 February 2011
... factors are listed in this section. A stable-bit design was fundamental to achieve the objective of drilling the 22-in. hole section in one run. Minimizing bit vibration and whirl would reduce cutter-impact damage and, therefore, result in longer runs. Penetration rates would be higher because...
Journal Articles
SPE Drill & Compl 25 (02): 263–272.
Paper Number: SPE-119625-PA
Published: 15 April 2010
... bit selection curvature Upstream Oil & Gas drilling operation cutter aggressiveness gauge profile subject well gauge steerability gauge length RSS tool whirl SPE Drilling extension Pastusek drilling full-gauge bit Exhibition build rate gaynor The need to extend bit...
Journal Articles
SPE Drill & Compl 25 (01): 10–18.
Paper Number: SPE-119302-PA
Published: 14 January 2010
... of shear dilatancy and become stronger and, thus, more difficult to drill. However, recently performed atmospheric and pressurized single-cutter experiments show that contrary to this belief, even at low pressures (100-200 psig) and even with permeable rocks, significant increase in mechanical specific...
Journal Articles
SPE Drill & Compl 24 (03): 378–382.
Paper Number: SPE-110776-PA
Published: 27 September 2009
...M. S. Jurgens Summary An analysis of 72 workover tubing cuts made was completed to determine the effect of well variables on the cutting performance of chemical, jet, and radial cutting torch (RCT) tubing cutters. Performance data indicated that cutting success was only 65, 50, and 77...
Journal Articles
SPE Drill & Compl 24 (02): 293–300.
Paper Number: SPE-107289-PA
Published: 31 May 2009
...Steven Barton; Henry May; Simon Johnson Summary Tool-face control is widely regarded as one of the greatest challenges when drilling directionally with an FC (fixed cutter) drill bit on a positive displacement motor (PDM). Tool-face offset is proportional to the torque generated by the bit. FC bits...
Journal Articles
SPE Drill & Compl 19 (04): 205–211.
Paper Number: SPE-79798-PA
Published: 01 December 2004
...J. C. R. Plácido; J. E. Friant Summary This paper traces the development of a radically different design of drill bit, describing its concept, laboratory work, and the latest field trials. Disc-bit technology is based on the single-rolling disc cutter. This cutter was first used successfully...
Journal Articles
SPE Drill & Compl 15 (02): 112–117.
Paper Number: SPE-64005-PA
Published: 01 June 2000
...: the technologies developed are a novel hydraulic arrangement, bit face design, cutter size, and usable diamond volume. Hard stringers require high stability in order to maintain bit life by preventing premature component failure. Technologies developed are conventional antiwhirl theory, localized cutter placement...
Journal Articles
SPE Drill & Compl 14 (01): 34–41.
Paper Number: SPE-55047-PA
Published: 01 March 1999
..., the density of tungsten carbide powder is much lower than in the infiltrated matrix, limiting the erosion resistance of the bit body. Second, the cladding does not intimately contact the PDC cutters because of a meniscus effect when it is laid down. Cutters are laid out on the bit face in one of two basic...
Journal Articles
SPE Drill & Compl 13 (02): 99–107.
Paper Number: SPE-30478-PA
Published: 01 June 1998
... lateral vibration SPE Drilling torsional-lateral model whirl motion vibration drillstring design cutter torsional torque bit motion equation spe drilling & completion correspond drilling operation steady-state solution synchronous whirl motion With the identification of slip...

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