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Keywords: borehole
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Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130517-MS
.... playback curve borehole flammable hydrocarbon northeast sichuan annular pressure drilling drilling gas drilling well control production monitoring explosion field application upstream oil & gas downhole explosion extinction sub drilling technology downhole explosion real time system...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131034-MS
... formation. However, the borehole stability is a big problem through several pilot gas drillings. In this paper, combined lab investigations with pilot drilling information analysis, it is found that the complex geologic conditions and drilling operations lead to at least four kinds of borehole instability...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131147-MS
... Abstract Formation micro imager is applied in geological investigation of borehole which can provid much more properties than core sample collection. In this paper, the photogrammetic method is discussed during the lab test based on images. Photogrammetric technology is the technique...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131261-MS
... pressure should exceed the minimum stress by a factor of 2.5 to induce fracture propagation. Below this pressure only matrix flow occurred, although the permeability was enhanced by the injection. hydraulic fracturing borehole chemical flooding methods reservoir characterization absolute...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-136728-MS
... Abstract Referring to the casing perforated wells and based on linear-elastic theory, the stress around borehole and perforations of deviated well is analyzed and the influence of stress distribution around borehole and perforations is also fully considered. In the paper, the conception of two...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103897-MS
... resistivity, which is dominated by the conductive shale layers, but it is also sensitive to the effective vertical resistivity, which is determined by the conductive shale and the resistive sand, at any dip angle. A key challenge of developing the triaxial induction array is the large borehole effect...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104239-MS
... other than conventional sanding and formation failure, and that they involved some rather interesting and misleading phenomena, such as precipitation of salt from production, tubing scale, spalling of borehole wall with drawdown and cavings bridge (cavings might fall into and become wedged...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64620-MS
... new or emerging technologies have been applied successfully in the sidetrack program. Borehole Stability Modeling was used to identify areas where the potential for borehole breakout and fluid losses (lost circulation) existed, so that plans could be made to avoid these problems. Real Time Downhole...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-50881-MS
... borehole speed drilling drilling technique high quality . . . .- . mw Societyof PetroleumEngineers SPE 50881 Modern Technique, Complete Sets, High Quality and High Speed Drilling Applied in Bohai JIANG WEI, China Offshore Oil Bohai Corporation Copyright 1998, Society or Petroleum Engineers, Inc...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-29977-MS
... Abstract This paper offers a study of a new model of articulated downhole motor assembly for short radius horizontal drilling. Theoretical analysis of this model and relationships among acting forces, deformations, structure, borehole geometry and operating parameters are given. Design...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-29993-MS
... Abstract This paper presents a wellbore stability design code that can be used to optimally drill, complete and stimulate inclined wells. The design code wasdeveloped for the most general case where the borehole, in-situ stress, and rock property coordinate frames are totally independent...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, March 24–27, 1992
Paper Number: SPE-22347-MS
... U.S.A. Telex, 730989 SPEDAL. ABSTRACT We shall investigate the applicability of induction and resistivity devices to horizontal wells, where the borehole runs parallel to the bed boundaries. The presence of the borehole may be simply ignored for induction sondes and log response is computed analytically...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17618-MS
... will be discussed for a typical medium radius horizontal well. Introduction While horizontal wells of the short radius (1.5 to 3.0/ft) type have been drilled since the late nineteen twenties, it was not until the advent of today's steerable motors that large diameter medium radius boreholes have become practical...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17610-MS
...% porosity. The uncertainty increases rapidly as porosity decreases. Field examples illustrate its potential value and practical problems created by the measurement statistics, borehole fluid changes and remaining mud filtrate. Introduction As an ever increasing number of oil and gas reservoirs reach...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17845-MS
... control methods: low choke pressure method, killing an empty well and killing a blowout well are discussed in this paper. The formation, borehole and wellhead are considered as a communicating system, in which the three are influenced and restrained by each other. Based on reservoir gas filtration...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17836-MS
.... upstream oil & gas production rate extreme point shift ispl scl borehole log analysis sc curve extreme point water cut pay zone theoretical curve interpretation variation equation well logging oil bearing bed conventional log amplitude resistance thin bed thickness I SPE 17836...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, March 17–20, 1986
Paper Number: SPE-14118-MS
... procedure that process, an automated procedure that refines initial geologic models, was then applied to provide a thin-layer interpretation of the processed data. Although the initial model for the SLIM process was based on information from only one borehole (primarily for calibration purposes...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, March 17–20, 1986
Paper Number: SPE-14850-MS
... that the bit-rock interaction has a more significant effect on borehole deviation than drill string mechanics. The different deviation tendency is observed at different regions or structures, and even for different rocks. Up to now many papers on drill string mechanics have been published, but studies on bit...

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