Results 191 to 200 of about 14,166 (227)
Some of the next articles are maybe not open access.
How to Select PDC Bit for Optimal Drilling Performance
Proceedings of Rocky Mountain Oil & Gas Technology Symposium, 2007Abstract Selecting bit when you have multiple bit vendors giving their proposal can be a challenge for the operator. To justify the bit selection can be hard for the drilling engineer in a multiple vendor situation. The purpose of this paper is to show a systematic approach on how to select PDC bit based on quantitative measure by using ...
R. Nygaard, G. Hareland
openaire +1 more source
Hydrodynamic analysis of the PDC drill bits
2019Authors have estimated geometrical characteristics of stabilizing constructions of the cutting – shearing type drill bits. Multiple experiments regarding optimal hydraulic construction of the drill bits’ shafts for most effective water filtering ability were made, with calculations and equations being present. The usage of the offered construction will
A.Ya. Tretyak +2 more
openaire +1 more source
A Step Change in Drill Bit Technology with Self-Adjusting PDC Bits
IADC/SPE Drilling Conference and Exhibition, 2016Abstract Since they were first introduced to the market decades ago, polycrystalline diamond compact (PDC) bits have undergone numerous technological improvements. One such example is depth-of-cut (DOC) control technology. Introduced in early 2000s, this technology emerged as an effective means to mitigate torsional vibrations by ...
Jayesh R. Jain +7 more
openaire +1 more source
Performance improvement of PDC and PDC bits by cryogenic treatment
Geoenergy Science and Engineering, 2023Jianbo Tu +4 more
openaire +1 more source
Effects of RPM and ROP on PDC Bit Steerability
SPE/IADC Drilling Conference, 2007Abstract Directional drilling is a critical necessity in many of today's wells. Accurate prediction and awareness of achievable build rates is vital in lowering drilling cost. The science behind controlled wellbore deviation has advanced beyond prediction based solely on BHA geometry.
Stephen Ernst, Paul Pastusek, Paul Lutes
openaire +1 more source
An Analysis of the Performance of PDC Hybrid Drill Bits
SPE/IADC Drilling Conference, 1987ABSTRACT This paper details the results of a project to extend the range of PDC bit applications to harder non-uniform formations. These formations had previously proved difficult to drill with PDC. The resulting design concept is outlined and the targeted formations, field operating parameters and performances are ...
J.L. Williams, A.I. Thompson
openaire +1 more source
Effects of Field Wear on PDC Bit Performance
Proceedings of SPE/IADC Drilling Conference, 1985ABSTRACT Laboratory drilling tests were conducted using a new 8 1/2 inch(216 mm) polycrystalline diamond compact (PDC) bit to determine optimum operating conditions for subsequent field use. The bit was then run on rotary in a shale formation at 14 506 ft(4421 m).
C. A. Cheatham, D. A. Loeb
openaire +1 more source
PDC-Bit Performance in Deep Shales
Journal of Petroleum Technology, 1998This article is a synopsis of paper SPE 47814 "Addressing the Problem of PDC Bit Performance in Deep Shales," by J.R. Smith, SPE, Louisiana State U., originally presented at the 1998 IADC/SPE Asia Pacific Drilling Technology, Jakarta, 7-9 September.
openaire +1 more source
Steel-Body PDC-Bit Technology Improves Bit Performance
Journal of Petroleum Technology, 1998This article is a synopsis of paper SPE 47815, "Steel-Body-PDC-Bit Technology Demonstrates Performance Improvements," by L.M. Smith, SPE, Security DBS; V.P. Perrin, SPE, Chevron Petroleum Technology; and R. Delwiche, SPE, Security DBS, originally presented at the 1998 IADC/SPE Asia Pacific Drilling Technology, Jakarta, 7-9 September.
openaire +1 more source
A Bit-Based Data-Acquisition System for Hard-Rock PDC Bits
Journal of Petroleum Technology, 2007This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 105017, "Development and Utilization of a Bit-Based Data- Acquisition System in Hard-Rock PDC Applications," by Paul Pastusek, SPE, Eric Sullivan, and Tommy Harris, SPE, Hughes Christensen Co., prepared for the 2007 SPE/IADC Drilling Conference, Amsterdam,
openaire +1 more source