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Flow through chokes

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Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 9–12, 2015
Paper Number: SPE-177694-MS
... are key factors to a successful back allocation process. This can be achieved by applying flow calculation principals and utilizing the suitable gas flow measurement instruments, such as orifice plates and Venturi tubes. This study focuses on the principals of multiphase flow through chokes...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Technical Symposium and Exhibition, May 19–22, 2013
Paper Number: SPE-169597-MS
... the first significant study on multiphase flow through chokes. He derived an equation that is applicable for critical flow only, and with volumetric gas-liquid ratio is less than 1. Gilbert (1954) developed an empirical correlation based on daily production data of a Californian oil field that relates...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, October 13–16, 1996
Paper Number: SPE-36274-MS
... Abstract Accurate prediction of multi-phase flow through chokes is required for modern production design and optimization of oil well performance. Most of the Middle-East oil wells are uniquely characterized with high production rates. Several correlations that relate the choke size with other...
Journal Articles
J Can Pet Technol 33 (05).
Paper Number: PETSOC-94-05-03
Published: 01 May 1994
... correlation outperforms all published correlations in the literature. Introduction Tangren et al. (1) offered the first significant study on multiphase flow through chokes. His approach is only applicable when liquid is the continuous phase (volumetric gas-liquid ratio is less than 1). Gilbert (2) in 1954...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 21–24, 1990
Paper Number: SPE-20988-MS
... UNSOLICITED Abstract In this study. field data from a gas condensate reservoir located in the Middle East are used to develop some empiricial correlations that describe the behaviour of gas condensate flow through chokes. The data cover wide ranges of flow rates and choke sizes. Four forms...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1986
Paper Number: SPE-15657-MS
... Abstract Two-phase flow through wellhead chokes, including both critical and subcritical flow and the boundary between them, was studied. Data were gathered for air-water and air-kerosene flows through five choke diameters from 1/4 in. (6.35 mm) to 1/2 in. (12.7 mm), and results were compared...
Proceedings Papers

Paper presented at the Fall Meeting of the Society of Petroleum Engineers of AIME, September 28–October 1, 1969
Paper Number: SPE-2682-MS
... Experimental field tests were conducted to study the multiphase flow of gas and liquid [gas-water system] through a small-sized choke in a vertical position. The resulting flow patterns were photographed through patterns were photographed through transparent nipples placed immediately upstream and downstream...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-151547-MS
... Abstract Chokes are used to limit production rates to meet sale contract, comply with regulations, protect surface equipment from wearing out, avoid sand problems due to high drawdown, and control flow rate limited by capacity of the facility. Single gas phase flow through choke is vital to oil...
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Journal Articles
J Can Pet Technol 37 (06).
Paper Number: PETSOC-98-06-04
Published: 01 June 1998
...A.A.M. Elgibaly; I.S. Nashawi Several correlations of critical and subcritical two-phase flow through wellhead chokes were evaluated to test their application to Middle East oil fields. Two groups of correlations describing two-phase flow through wellhead chokes were examined. The first group...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Annual Technical Symposium and Exhibition, April 21–23, 2015
Paper Number: SPE-177991-MS
... Abstract This paper shows the importance of Artificial Intelligence (AI) techniques as a practical engineering tool for predicting and estimating the gas flow rate through chokes. Studying the single gas flow through wellhead chokes is vital to the oil industry, not only to ensure the accurate...
Journal Articles
J Pet Technol 26 (08): 843–850.
Paper Number: SPE-4541-PA
Published: 01 August 1974
.... The coefficient compensates for nonideal factors excluded in the development of the equation and relates theoretical oil production rates through chokes to field-measured rates. Discussion Various developments have been published that present theory and correlations for describing simultaneous liquid and gas flow...
Journal Articles
SPE Proj Fac & Const 5 (01): 31–37.
Paper Number: SPE-120788-PA
Published: 18 March 2010
...Figure 1 Q m 2 performance during subcritical flow through chokes; Cameron LD. ...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-120788-MS
... conditions. The second set of correlations is based on "139" field tests representing subcritical flow conditions of gas-liquid mixtures through wellhead chokes. For the critical multiphase flow condition, the predicted oil flow rates by the new set of correlations are in excellent agreement...
Journal Articles
SPE Drill & Compl 8 (04): 271–276.
Paper Number: SPE-20633-PA
Published: 01 December 1993
...T.K. Perkins Summary Equations that describe isentropic (adiabatic with no friction loss) flow of multiphase mixtures through chokes can be deduced from the general energy equation. These flow equations are valid for both critical and subcritical flow. Equations, physical property correlations...
Journal Articles
J Can Pet Technol 30 (06).
Paper Number: PETSOC-91-06-05
Published: 01 November 1991
... through wellhead chokes. Most of these correlations were based on limited ranges of flow variables. Their validity is limited by the quality and scope of the data upon which they are based. The objectives of this study are: to determine the optimal combination of critical flow and PVT correlations...
Journal Articles
SPE Prod & Oper 4 (02): 142–146.
Paper Number: SPE-15140-PA
Published: 01 May 1989
... chokes are installed on wells to control flow rates and to protect the reservoir and surface equipment from pressure fluctuations. Flow through the choke can be described as either critical or subcritical. In the critical-flow region, the mass flow rate reaches a maximum value that is independent...
Proceedings Papers

Paper presented at the SPE European Spring Meeting, May 16–18, 1972
Paper Number: SPE-3742-MS
... to these researches came from the obser- ing the two phase flow through the wellhead chokes, but nearly vation that the pressure drop through a pipe, when flowing a all these contributions concern only the critical flow. gas/oil mixture, can be also ten times more than that due to a single phase flow (13...
Journal Articles
SPE Prod & Oper 27 (04): 422–428.
Paper Number: SPE-158649-PA
Published: 31 August 2012
... test − Q correl Q test | . Results from 182 production tests performed in the field were used to derive a new equation for oil-flow rate through choke. The data used are tabulated in Table 6 . TABLE 6 THE DATA USED FOR DEVELOPMENT OF NEW CORRELATION P wh...

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