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Thermal loads on casing and tubing strings

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Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference and Exhibition, October 24–26, 2016
Paper Number: SPE-182134-MS
... the well bottom-hole design. Such nature of formation stimulation resulting in high temperature differences causes creeping and thermal fatigue of the casing string metal. In selection of a production string design thermal loads rather than collapsing pressures and axial loads from the string weight...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 28–30, 2017
Paper Number: SPE-188154-MS
... Abstract In this work, a slimhole steam injector well using new generation insulated tubing as the production casing string is proposed. Its mechanical integrity is evaluated using High Temperature Post Yield (HTPY) design approach. The thermal impact of this application and the implications...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26674-MS
... of the well. Case 2 Thermal/Pressure Profiling, Tubing Stress, and Packers Load Determinations For the load scenarios presented in Table 6, thermal and pressure profiles are modeled for the equipment selected for this dual-string completion. The simulated profiles are shown in Figs. 12 and 13. Figure 11 Well...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-139342-MS
... Tubing String. By updating the well completion location (short string length in particular) in the wellbore and applying insulation material selectively along the completion strings, the initial observed critical compressive thermal loads affecting the surface and production casing can...
Proceedings Papers

Paper presented at the SPE Deepwater Drilling and Completions Conference, June 20–21, 2012
Paper Number: SPE-151044-MS
.... Figura 8. Tubing String with 506 m of insulated tubingLoad and safety factor. The case of production occurred during the most critical well production to flow rate greater than 35,000 BPD the testing string composed of 448.5 m thermally insulated tubing. In this case, the safety factor...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2013
Paper Number: SPE-167580-MS
... intervals. However, simulation shows that this casing could be subjected to some thermal loading during the production phase of the well. That fact has to be taken into consideration during the cementation design for this casing string. The production tubing design should take into consideration severe...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 22–24, 2012
Paper Number: SPE-157977-MS
... collapse due to excessive compressional load, and the wellhead would drop as the conductor would not be able to support it [ 1 ] . The total thermal force on the conductor is always equal to the sum of the thermal force on the inner tubular strings when the tubing or casing pressure is zero...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 23–25, 2015
Paper Number: SPE-178448-MS
..., the casing and tubing loads are calculated with a stress solver. Factors such as thermal expansion, internal/external pressure, cement constraint, wellbore curvature, buckling, and yield strength anisotropy are included. After that, multistring analysis is performed over the entire wellbore system...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7873-MS
...~ + (-10,000 lbf) + 76,800 lbf = 166,787lbf . 6 WELLBORE THERMAL AND MECHANICAL FINGERPRINTING I OTC 7873 Note: In this exampleno error is introducedby assuming the load casebuckling length change is zero. This is becausethe effectiveforceat the bottom of the tubing string in this load case is 32,175Ibf...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-114928-MS
... a viable well design. The depth of TOC influences the relevant average temperature change (based on either cementing or UDT) for a casing string and hence the severity of thermal axial loads. In situations where one initial temperature assumption (cementing vs. UDT) is conservative for a hot production...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2016
Paper Number: SPE-184355-MS
... the inhibitors more retention time in the formation. Table 9 shows the resulting tubing movement summary for this case. The upward movement for the two controlling load cases exceeded the maximum allowable upward movement with this tubing/completion string configuration. The thermal effect was more...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, January 20–22, 2010
Paper Number: SPE-127991-MS
... of the completion string. This paper describes the anticipated loads during the well life, and use of a wellbore thermal simulator, and tubular stress analysis software program to simulate the potential stress loads. This helped optimise the design of the casing and tubing strings to anticipate and foresee...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 23–25, 2005
Paper Number: SPE-92448-MS
... . Since compressibility of fluids in the annuli is typically low, thermal expansion of these fluids leads to high annular pressures (i.e. APB). This creates potential for burst or collapse of casing strings. ChevronTexaco decided to utilize vacuum insulated tubing (VIT) to tackle the APB challenge. VIT...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206183-MS
... WT-DRILL (WellTemp Drilling), WT-PROD, and WT-CIRC (later WT-PROD and WT-CIRC were merged into one program). These thermal programs were linked to WS-CASING (WellStress Casing) and WS-TUBE. Drilling engineers primarily used the WT-DRILL and WS-CASING programs and production engineers primarily used...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29832-MS
... in one of its connection. Figure 4 Most likely A-annulus leak path and cascading collapse depth. Failure Investigation Casing and Tubing design can be performed according hydrostatic and thermal analysis point of view. Hydrostatic analysis is mainly based on a differential pressure check for a set...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184618-MS
... insulation performance for a VIT pipe to reduce the heat transfer, improve the APB mitigation capability, and reduce the string failure risk because of fluid thermal expansion in the trapped annulus space. Table 6 The VIT thermal conductivity of vacuum section and connector. Case VIT Pipe...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-119357-MS
... study was carried out to investigate the effects of thermal induced loads. Heating of the wellbore tends to induce buckling of the inner casings and tubing. This is because the outer casing will tend to restrain upward well growth driven primarily by the compressive force of the inner strings...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-17104-MS
... for production casings and completion string, particularly when exposed to a hot-producing, final-load condition. The risk assessment of taking an inadvertently excessive thermal increase from drilling into a production life-cycle to establish the final condition of respective casing and tubing string should...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199606-MS
... confidence provided the wellbore thermal and hydraulic parameters can be predicted accurately. Associated with wellhead movement, the extremal loads on the primary structural strings such as conductor and surface casing are also modeled. Likewise, secondary loads on the inner casing strings and completion...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-300
... riser system due to gravity, pressure and thermal expansions. The resulting riser system elongation effect is subsequently derived considering the interactions among all riser strings. In the case where a tensioner exists, its nonlinear relationship between tension force and displacement can be captured...

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