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1.6 Drilling operations

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Journal Articles
J Pet Technol 40 (09): 1178–1182.
Paper Number: SPE-16170-PA
Published: 01 September 1988
.... The motor and bit were successfully retrieved on the first attempt. From 8,400- to 8,835-ft [2560- to 2693-m] MD, inclination decreased from 90 to 82 [1.6 to 1.4 rad], resulting in the penetration of the base of the Lower Spraberry. Drilling operations ceased at 7,929-ft [2417-m] TVD and 8,930-ft [2722-m...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference, November 23–25, 1997
Paper Number: SPE-39278-MS
... Abstract A major concern in drilling operations is the problem of carrying out cementing jobs for production casings where no fracture margin during the slurry displacement exists. In general in order to resolve this problem, a double stage cement job, the use of a liner with a subsequent tie...
Journal Articles
SPE Form Eval 4 (01): 38–44.
Paper Number: SPE-15707-PA
Published: 01 March 1989
... aged in the oil- or water-based drilling fluid, samples 1.6 in. [4.0 cm] in diameter were rinsed lightly with refined oil to remove any solid deposits present on the surface before the evaluation of their wettability. After being aged in the oil-based drilling fluid, samples 2.75 in. [7.0 cm...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21775-MS
... layers). The objective of this case study is to capture the successful coring operation in high angle ERD wells, drilled from the fixed well location on a well pad of an artificial island located offshore in the United Arab Emirates. The well was planned and drilled at the midpoint of the development...
Journal Articles
SPE Drill & Compl 2 (04): 359–363.
Paper Number: SPE-13496-PA
Published: 01 December 1987
... heaves causes large fluctuations in the output flow rate. In floating drilling operations, the delta-flow signal was expected to vary with a magnitude many times greater than the +25-gal/min [ 1.6-dm3/s] alarm sensitivity used during the land-based tests. Therefore, the purpose of the final phase...
Journal Articles
SPE Drill & Compl 8 (01): 14–20.
Paper Number: SPE-21985-PA
Published: 01 March 1993
... hole to maximize horizontal displacement in the lease. Underbalanced drilling techniques were used to prevent formation damage. The well design resulted in a significant cost savings per horizontal foot compared with 24 offset wells that the operator drilled. This paper reviews well planning...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206574-MS
... less than 20 meters, the efficiency of horizontal wells with 300 meters length is 1.6-4 times higher than for directional wells, depending on the reservoir thickness and permeability. In gas saturated formations, the efficiency of horizontal wells performance relative to the directionally drilled wells...
Journal Articles
J Pet Technol 71 (07): 18–22.
Paper Number: SPE-0719-0018-JPT
Published: 01 July 2019
... said. Drilled by Seadrill’s West Gemini sixth-generation ultradeepwater drillship, the well reached TD of 3800 m in 275 m of water. Analysis of the results indicate between 300–400 million bbl of light oil in place, the operator said. ExxonMobil Moves Forward With Second Guyana Development ExxonMobil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84353-MS
... for the Starwars Defense Initiative during the Reagan Administration. Initial laser drilling experiments used the U.S. Army's Mid-Infrared Advanced Chemical Laser (MIRACL) and the U.S. Air Force's Chemical Oxygen-Iodine Laser (COIL) laser systems. Both systems operated in the infrared optical region with power...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 20–22, 1991
Paper Number: SPE-21792-MS
... to amount eventually to 10 million [1.6 million m] barrels of oil per well. Consequently, it is believed the drilling of horizontal infill wells on 10-acre spacing should maximize the economic value of the 26R reservoir by optimizing recovery of hydrocarbons while minimizing capital investments...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 23–25, 1996
Paper Number: SPE-37354-MS
.... Since this was the first horizontal well drilled in the Clinton Sand interval, considerable knowledge and experience was gained in drilling and completing this well. The actual drilling operation required about 45 days of rig time. The well was stimulated during the summer/fall of 1994 and placed...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187719-MS
... to roller-cone bits with the IADC of 627 in the same group formation but drilled in the vertical section. This revolutionary new hybrid design also drilled 1.6 times faster and 1.7 times longer than the original hybrid design. In addition, the bit increased the borehole quality, which would help with casing...
Proceedings Papers

Paper presented at the CORROSION 96, March 24–29, 1996
Paper Number: NACE-96192
... INTRODUCTION ABSTRACT Among the various high pressure pipelines operated by a natural gas company in Chicago, Illinois are two parallel 24-inch lines that traverse about a mile (1.6 km) of wetland. In 1995 it became necessary to rehabilitate the cathodic protection on these pipelines...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207198-MS
... Abstract Torque and drag models estimate downhole forces, torques and moments acting in wellbores and drillstring elements during drilling and completion operations. A comparison was made between soft string and stiff string torque and drag model using conventional survey data. Survey data...
Journal Articles
SPE Prod & Oper 5 (02): 107–112.
Paper Number: SPE-17870-PA
Published: 01 May 1990
... intervention DSP control system drilling rig Subsea Development Upstream Oil & Gas North Sea riser riser system installation production riser philosophy valve operation Subsea Systems of the Argyll Area Fields D.S. Huber, SPE, Hamilton Bros. Oil & Gas Ltd., and R.C. Burnett, Coflexip UK Ltd...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-07
... 1.6 billion barrels of oil. Recoverable resources off the Labrador coast are estimated at 4.2 trillion cubic feet of gas and 123 million barrels of natural gas liquids. To date, 142 wells have been spudded, with compauies spending approximately $4 biIIion on drilling, seismic, and other work. The peak...
Journal Articles
J Pet Technol 72 (01): 17–22.
Paper Number: SPE-0120-0017-JPT
Published: 01 January 2020
.... The onshore discovery was made in May at a site called Quesqui after a test well was drilled and seismic data analyzed. The company said that the Quesqui-1 exploratory well is producing 4,500 B/D with the potential to produce 75,000 B/D. Taking part in the announcement was Mexican President Andres Manuel...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, April 9–11, 2019
Paper Number: SPE-194673-MS
... trajectory with max DLS ~11deg/30m and without any hole problems. The well was successfully landed and placed in the reservoir. The operator gained significant confidence in understanding of drilling high DLS wells without expensive drilling tools drilling operation motor bha production section...
Proceedings Papers

Paper presented at the The 16th U.S Symposium on Rock Mechanics (USRMS), September 22–24, 1975
Paper Number: ARMA-75-345
... Verhalten dieser kann durch rechteck-förmige Bohrausführungen verbessert werden. INTRODUCTION Operators are continually striving to increase the effectiveness of blasting in order to reduce total production costs (i.e., the combined cost of drilling, blasting, loading, hauling and crushing per m...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175721-MS
.... The overall performance (with both assemblies) was 308 m at 1.6 m/hr. This represents a 374% improvement in the distance drilled, a 23% improvement in the penetration rate in that field and a 29.5% reduction in the cost per meter. In all, the run saved the operator nearly USD 195,000 compared to the best...

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