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Tubing design factors

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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-90094-MS
... production wells. Stress concentration caused by corrosion cavity plays a key factor in the tubing design under a corrosive environment. The failure analysis of the model is based on the pitting corrosion. A method and revised criteria have been proposed to predict the threshold pressure for a derated tubing...
Proceedings Papers

Paper presented at the SPE Applied Technology Workshop on Risk Based Design of Well Casing and Tubing, May 7–8, 1998
Paper Number: SPE-48321-MS
... This paper was prepared for presentation at the SPE Applied Technology Workshop on Risk Based Design of Well Casing and Tubing held in The Woodlands, Texas, U.S.A., 7-8 May 1998. safety factor tensile strength wall thickness collapse design factor spe 48321 pipe strength target level...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26674-MS
... is applied to two (2) cases: a single-string intelligent completion for a water-alternating-gas (WAG) injection well and a dual-string completion for an oil producer. The conceptual completion schematics for each case are presented in Fig. 1. Tubing Design Safety Factors Tubular design safety criteria should...
Proceedings Papers

Paper presented at the SPE Thermal Well Integrity and Design Symposium, November 28–30, 2017
Paper Number: SPE-188154-MS
... Dominated loads. Burst or collapse safety factor of > 2 is required to designate a load as thermally dominated load. A Modified Holliday approach may be used to determine the suitability of a casing/tubing for such loads. If thermal loads do not pass the Modified Holliday Approach, a Low Cycle Fatigue...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178190-MS
.... Figure 4 Well 1: Modeled iterations of friction factor for tube move Another completion design option – latched anchor set – was analyzed. Anchored bottom of the tubing string eliminates the issue of PBR length, at the same time creating issue of buckling/tensile load on tubing while fracking...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196392-MS
... its optimum allocation by taking some portions of gas that should be injected to the long string. Commonly, gas lift wells in Offshore North West Java use an orifice valve because it is easy to design. The gas will be transferred freely from the casing to the tubing through the orifice since...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0045
... deviation deformation factor deformation magnetic field distribution magnetic field magnetic flux SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0045 THROUGH-TUBING CASING DEFORMATION AND TUBING ECCENTRICITY IMAGE TOOL FOR WELL INTEGRITY MONITORING AND PLUG-ABANDONMENT...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-203176-MS
... c ≥ P o – P i , which is the design equation in API RP1111 (5 th edition) for collapse due to external pressure. In Eqs. 5 and 6 , f c is the default collapse factor used with combined pressure and bending loads: (11) f c = f 0 / g ( δ ) , f...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1244
... reservoirs. The methodology uses a geomechanical model to determine the loading factor behavior and the safe sanding operating envelope. production control reservoir surveillance reservoir geomechanics production monitoring wellbore design upstream oil & gas khaksar completion installation...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, January 24–26, 2017
Paper Number: SPE-184821-MS
... on the tubing and connections. Although the tubing design might indicate a sufficient design factor at shut-in and the highest expected pressure at the surface, failure could occur during the sequence of pumping pads and proppants. Therefore, it is recommended that the stress analysis of the tubular during...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 21–22, 2017
Paper Number: SPE-184752-MS
..., the coiled tubing reach capacity was the limiting factor for the Operator's horizontal well operations, until improved custom-fit CT string designs, adapted surface equipment, and changes to operational practices solved this issue. Vaca Muerta's massive oil discovery was made in 2010 by the Argentinian...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170564-MS
... for the tubing string while acid fracturing the lowest stage are shown in Figs. 12 through 14 . From these figures, it can be observed that the triaxial stress safety factor and the axial force safety factor for the tubing string at the wellhead both exceeded the design safety factors; therefore, the string...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 10–13, 2013
Paper Number: SPE-164230-MS
... with engineering, as well as a physical monitoring system. When erosional velocity is exceeded, the threshold velocity increases the degradation of the thickness of the tubulars and, thereby, the loss of safety factors associated with the tubing and casing designs. Even though there are guidelines and best...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21387-MS
... tubing in-hole and progressing with the rest of the abandonment programme. In the case study presented here, the tool string design considered the need to pass completion restrictions, convey through production tubing, and remain centralised with up to 50-degree deviation. Analysis of cement bond log...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179934-MS
... formulae, which comprises burst, collapse and axial strength; these parameters can be translated into design and safety factors. A design factor (DF) is defined as the minimum acceptable safety factor (SF min ) at any depth of the tubing. A safety factor (SF) is the load resistance (or pipe rating) divided...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-19784-MS
... standard provides both load controlled (stress based) and displacement controlled (strain based) guidelines and related utilization or safety factors which are applied ISO document which have an impact upon the tube design include: An increase in the design pressure ratio from 1.25xDWP to 1.5xDWP...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Conference and Exhibition, October 26–28, 2010
Paper Number: SPE-130626-MS
... engineers intervention drilling operation coiled tubing operations spe 130626 efficiency directional drilling compression ratio string design upstream oil & gas diameter completion installation and operations friction factor wall thickness vibration horizontal section vankor field...
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
... scenarios. One common shortfall includes making incorrect or oversimplified assumptions for the initial and final temperature and pressure conditions. There is no industry standard for casing or tubing design loads, but there is an industry accepted standard process for the calculation of the stress...
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-206223-MS
... unsupported length of the tubing to ensure that it will not buckle. It is also forced to stop workstring movement each time the jack is reset therefore the static friction of the workstring must be overcome during each movement of the jacks. The design of the jointed tubing injector minimizes the unsupported...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 22–23, 2016
Paper Number: SPE-179078-MS
... of excessive OD growth before any fatigue failure was predicted. Changes in the design process are described where, in addition to fatigue accumulation, OD growth is predicted to become a limiting factor in the life of a CT string. This paper also highlights changes made to the software to help ensure any...

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