Superhard cutting structure having reduced surface roughness and

Details Superhard cutting structure having reduced surface roughness and Superhard cutting structure having reduced surface roughness and

1999-10-06

2000-11-14

Lillis, Eileen D.

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

175434, 407119, E21B 1046, B23P 900

Patent

active

06145608&

ABSTRACT:
A superhard cutting element having a polished, low friction, substantially planar cutting face with a surface finish roughness of 10 .mu.in. or less and preferably 0.5 .mu.in. or less. A chamfered cutting edge and side surface of the superhard material table of the same surface finish roughness are also disclosed. The surface roughness of the aforementioned superhard material table portions may be reduced by mechanically smoothing and polishing according to one of several variations of the method of the invention.

REFERENCES:
patent: 3670380 (1972-06-01), Moore et al.
patent: 4109737 (1978-08-01), Bovenkerk
patent: 4211508 (1980-07-01), Dill et al.
patent: 4478297 (1984-10-01), Radtke
patent: 4525179 (1985-06-01), Gigl
patent: 4533004 (1985-08-01), Ecer
patent: 4539018 (1985-09-01), Whanger et al.
patent: 4566426 (1986-01-01), Schleich et al.
patent: 4606418 (1986-08-01), Thompson
patent: 4629373 (1986-12-01), Hall
patent: 4646857 (1987-03-01), Thompson
patent: 4693035 (1987-09-01), Doyle
patent: 4784023 (1988-11-01), Dennis
patent: 4805586 (1989-02-01), Borse
patent: 4852671 (1989-08-01), Southland
patent: 4858707 (1989-08-01), Jones et al.
patent: 4872520 (1989-10-01), Nelson
patent: 4883132 (1989-11-01), Tibbitts
patent: 4884476 (1989-12-01), Okuzumi et al.
patent: 4913244 (1990-04-01), Trujillo
patent: 4913247 (1990-04-01), Jones
patent: 4954139 (1990-09-01), Cerutti
patent: 4976324 (1990-12-01), Tibbitts
patent: 4984642 (1991-01-01), Renard et al.
patent: 4988421 (1991-01-01), Drawl et al.
patent: 4992082 (1991-02-01), Drawl et al.
patent: 4997049 (1991-03-01), Tank et al.
patent: 5011509 (1991-04-01), Frushour
patent: 5011514 (1991-04-01), Cho et al.
patent: 5011515 (1991-04-01), Frushour
patent: 5025874 (1991-06-01), Barr et al.
patent: 5035771 (1991-07-01), Borse
patent: 5037451 (1991-08-01), Burnand et al.
patent: 5054246 (1991-10-01), Phaal et al.
patent: 5115873 (1992-05-01), Pastusek
patent: 5120327 (1992-06-01), Dennis
patent: 5135061 (1992-08-01), Newton, Jr.
patent: 5172778 (1992-12-01), Tibbitts et al.
patent: 5184433 (1993-02-01), Maack
patent: 5215415 (1993-06-01), Fukuoka et al.
patent: 5217081 (1993-06-01), Waldenstrom et al.
patent: 5447208 (1995-09-01), Lund et al.
patent: 5469927 (1995-11-01), Griffin
patent: 5504303 (1996-04-01), Nagy
patent: 5648119 (1997-07-01), Grab et al.
patent: 5653300 (1997-08-01), Lund et al.
patent: 5669271 (1997-09-01), Griffin et al.
patent: 5722499 (1998-03-01), Nguyen et al.
patent: 5823277 (1998-10-01), Delwiche et al.
patent: 5967250 (1999-10-01), Lund et al.
patent: 5992549 (1999-11-01), Fuller
Copy of two page brochure from Coborn Engineering Company Ltd. (undated).
Three pages of photocopied photographs of hammers.
Copy of letter w/attachments from Mark R. Benenti of Hommell America Inc. to Gerald Angst of Hycalog dated Dec. 18, 1995, 8 pages.
Copy of a letter dated Nov. 15, 1995 from Bill Short of Bit & Tool to David Hall of Novatek.
Copy of five pages of information from EWAG Corporation (two pages of undated text and photocopies of photographs and three pages comprising a price list purportedly dated Apr. 1, 1988).
Copy of four pages of a communication from Terry Matthias of Hycalog to Dean Lechtenberger of Arnold, White & Durkee -dated Jan. 9, 1995.
Copy of letter from David Hall of Novatek to Ralph Horton of Baker-Hughes Christensen (sic) (1 page), dated Oct. 24, 1995.
Andersen, E.E., et al., PDC-Bit Performance Under Simulated Borehole Conditions, (SPE Paper No. 20412) SPE Drilling & Completion, Sep. 1993, pp. 184-188.
Argon, Ali S., et al., Mechanical Behavior of Materials, Massachusetts Institute of Technology, pp. 445 & 461, undated.
Clark, D.A., et al., Comparison of Laboratory and Field Data for a PDC Bit, (SPE/IADC Paper No. 13459) SPE/IADC 1985 Drilling Conference, pp. 323-325.
Davis, J.R., Technical Brief 51: Superabrasives, ASM Materials Engineering Dictionary, p. 465, 1992.
Field, J.E., The Properties of Diamond, pp. 359, 645 & 646, undated.
Hemphill, Terry, et al., Effects of PDC-Bit Selection and Mud Chemistry on Drilling Rates in Shale, (SPE Paper No. 22579) SPE Drilling & Completion, Sep. 1994, pp. 176-184.
Hibbs, L.E., et al., Wear Mechanisms for Polycrystalline Diamond Compacts as Utilized for Drilling in Geothermal Environments, General Electric Company, Corporate Research and Development, Contract Period Nov. 1979 to Sep. 1982, pp. 89-99.
Kuru, E., et al., An Experimental Study of Sliding Friction Between PDC Drill Cutters and Rocks, Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., vol. 32, No. 3, pp. 227-283, 1995.
Pessier, R.C., et al., Quantifying Common Drilling Problems With Mechanical Specific Energy and a Bit-Specific Coefficient of Sliding Friction, (SPE Paper No. 24584) Society of Petroleum Engineers Inc., 1992, pp. 373-388.
Schey, John A., Tribology in Metalworking--Friction, Lubrication and Wear, American Society for Metals, 1983, pp. 573-616.
Simon, R., Energy Balance in Rock Drilling, (SPE Paper No. 499) Society of Petroleum Engineers Journal, Dec. 1963, pp. 298-306.
Smith, R.H., et al., Drilling Plastic Formations Using Highly Polished PDC Cutters, (SPE Paper No. 30476) Society of Petroleum Engineers, Inc., 1995, pp. 29-44.
Teale, R., The Concept of Specific Energy in Rock Drilling, Int. J. Rock Mech. Mining Set., vol. 2, 1965, pp. 57-73.
Wampler, Charles, et al., Methodology for selecting PDC bits cuts drilling costs, Oil & Gas Journal, Jan. 15, 1990, pp. 39-44.
Warren, T.M., et al., Laboratory Drilling Performance of PDC Bits, (SPE Paper No. 15617) SPE Drilling Engineering, Jun. 1988, pp. 125-135.
Warren, T.M., et al., Bottomhole Stress Factors Affecting Drilling Rate at Depth, Journal of Petroleum Technology, Aug. 1985, pp. 1523-1533.
Wilks, E.M., The resistance of diamond and other gem stones to abrasion, Clarendon Laboratory University of Oxford UK, undated.
Wilks, John, et al., Properties and Applications of Diamond, Butterworth-Heinemann Ltd., 1991, pp. 290-309.
European Search Report dated Sep. 13, 1996.
VHS-format videotape program produced by the National Research Laboratory, Melbourne, Australia, in cooperation with the National Centre of Tribology, Risley, United Kingdom, directed to metal cutting with a single point machine tool cutter as viewed with an SEM.
European Search Report dated Apr. 29, 1996 re: Application Number EP 94 87 0182 (4 pages).
Song, J.F., et al., Surface Texture, National Institute of Standards and Technology (6 pages), undated.
Moore, D.T., Tutorials in Optics, Ch. 8, Methods for Characterizing Surface Topograph, (8 pages), undated.

Affiliated with

Also associated with

Rating

Superhard cutting structure having reduced surface roughness and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Superhard cutting structure having reduced surface roughness and, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Superhard cutting structure having reduced surface roughness and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2055810