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1.9 Wellbore positioning

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Proceedings Papers

Paper presented at the SPE Latin America/Caribbean Petroleum Engineering Conference, April 27–29, 1994
Paper Number: SPE-26953-MS
... in the tubing string at 302.75 Ill, 599.54 m, 877 m and 1267.4 m from the surface Wig. 2). They made possible to keep track of the bubbles along the wellbore during migration. The pressure sensors were dimensioned for the pressure range they would be submitted to at each position and the time scale was set...
Journal Articles
J Pet Technol 72 (02): 32–36.
Paper Number: SPE-0220-0032-JPT
Published: 01 February 2020
... to 50% of the total, according to information from Shale Profile, an analytics firm that aggregates public data from US oil and gas regulators. Another 25%, or about 1.9 million B/D, came from wells that started producing in 2018. The remainder of US onshore supply came mostly from the 93,000 wells...
Journal Articles
J Pet Technol 58 (01): 55–56.
Paper Number: SPE-0106-0055-JPT
Published: 01 January 2006
... in the closed position because of scale. Two options were considered for recovering the well with well intervention techniques rather than a complete workover and well-kill operation. Because the nearest gate-valve milling machine was in Europe, the valve was milled by use of a coiled-tubing (CT) unit...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80901-MS
... and stabilized at about 500 MSCFPD. Condensate production doubled to 157 BPD. The well shows a skin of –1.9 after methanol treatment. The increase in gas and condensate production was observed to persist more than 10 months after the treatment. Several possible explanations are provided for the positive results...
Journal Articles
SPE Prod & Oper 9 (04): 280–286.
Paper Number: SPE-26653-PA
Published: 01 November 1994
.... The treatment returned gas production to the well, averaging 1.9 MMcf/D gas for almost 3 years. The water production was reduced from a high of almost 600 to <50 B/D. The treatment was performed in 1 day using common oil- and gas-field acidizing equipment. The treatment design was based on information from...
Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, November 28–December 1, 2021
Paper Number: SPE-204888-MS
... increasing in outer diameter (OD) from 1.9-in. to 2.5-in. OD tools. The special features of the wellbore cleanup and debris breaking tool made it better adapted to the well environment and greatly increased the descaling efficiency. Thirty runs enabled the team to clear the scale accumulations down to 3,652...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21455-MS
... Sticking Hole Cleaning Wellbore Geometry WASP 76.2% 2.75% 93.8% 53.1% Almost a year after the first version is released, the latest version of WASP, version 1.9, is released. The format of version naming has also been updated from this version onwards. Some changes in the user...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-309
... with increasing distance from the borehole at a given time. Thus the pore pressure for r > 2a may not be a major concern in predicting wellbore instability. 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 r/a N or m al iz ed H yd ra ul ic P re ss ur e P 1 non dimensional time...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2458814-MS
... are left stranded in the reservoir. However, due to the limited accuracy of downhole surveying methods, positional errors in wellbore placement often lead to deviations by hundreds of feet from the optimal wellbore position. The purpose of this study is to quantify the impact of such wellbore placement...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, September 25–28, 2011
Paper Number: SPE-141021-MS
... the same recipe and approach as for the previous two zones. Thereby, foam was injected into the blank intervals between Zones 3 and 4, and between Zones 4 and 5 to reduce the potential for acid leaking into other zones. The multiple BHP changes at a constant rate of 1.9 bpm, Fig. 14 , showed the positive...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 8–10, 2013
Paper Number: SPE-167347-MS
.... Wellbore heating models can again be used to provide some insight into the temperatures produced by the heater. Figure 5 shows the results of these simulations for one of the example cases. Abstract This paper will combine field results from two heavy and high viscosity crudes - one in Venezuela...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1227
... Drilling Techniques. (5)32-2 The expansion rate is positively and negatively 8. Yan, T., F. Zhang, W. Liu, Y. Zhou, X. Bi. 2010. correlated with the extension of horizontal gas well Mechanical analysis on the limit extended capacity for under the influence of irregular wellbore gas an extended reach well...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 25–26, 2014
Paper Number: SPE-168288-MS
... program selection; lack of efficiency of the realized hydraulic fracturing technologies, positively proven themselves in other fields; Based on problems described above multistage fracturing technology in this field is the most promising solution. Multiple fracturing in one horizontal wellbore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24021-MS
... Presentation of OTC-24021-MS Presentation of OTC-24021-MS OTC 24021 Wellbore Thermal Performance and Its Impact on Flow Assurance Design of a Subsea Production System Leon Liu, Veerendhar Ponagandla, and Scott Bufton, INTECSEA Copyright 2013, Offshore Technology Conference This paper...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Exploration & Production Technical Conference and Exhibition, October 14–16, 2014
Paper Number: SPE-171268-MS
..., positively proven themselves in other fields; Based on problems described above multistage fracturing technology in this field is the most promising solution. Multiple fracturing in one horizontal wellbore can significantly increase the contact area with the formation and expand the development of low...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-167982-MS
... drilling in the United States. The methods to plan, design and execute wells have evolved to match the demanding conditions of the industry. These changes led to the introduction of a multitude of technologies that, in combination, led to reliable and improved wellbore construction. These technologies...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1993
Paper Number: SPE-26348-MS
... of 0.0894 and 0.0786. The resulting values of the ratio of produc- tivity index of multiple horizontal radials to that of a vertical well with formation damage are shown in Figures 3 and 4 for damage distances of 6-1/4 ft (1.9 m) and 12-1/2 ft (3.8 m) from the wellbore. The figures show the relation between...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-345
... 0.7 1.0 2.5 19.8 500.2 I(b) 0.7 1.0 12.5 19.8 500.2 II 1 1.9 3.4 25.8 560.8 III 1 1.3 3.4 25.8 560.8 IV 1 1 3.4 25.8 560.8 V 1 0.7 3.4 25.8 560.8 Table 3. Input parameters for rock properties and wellbore conditions. Rock Fracture stiffness, 1.25×10! Pa/m Leakoff coefficient, 6.3×10!! , 6.3×10 6.3×10...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153646-MS
... The drilling fluid formulation for 1.9 SG drilling fluids used in the experiments is given in Table 2 while that for 2.4 SG drilling fluid is given in Table 3 . The oil phase is mineral oil with additives such as primary and secondary viscosifiers, Lime, primary and secondary emulsifiers...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-17002-MS
.... In addition, bubbles were added to the mud while measuring borehole diameter by the sensor. Tests have been performed in relation to the radial position of the caliper tool inside the wellbore, including different objects inside the borehole simulating latches or dog legs. The wellbore profiles have been...

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