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Keywords: choke
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195940-MS
... variables. Examples of these variables are tubing size, choke size, wellhead pressure, flow line size, and perforation density. This implies that changing any of these variables will modify well performance. One of the techniques for the analysis of production performsnce is studying the wellhead pressure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191542-MS
... most commonly used in gas lift wells. The typical gas lift injection line on the surface is 2" from the gas network to the wellhead. A choke is used on the gas lift line to control the lift gas injected into each well. As the injection gas pressure is high from the source of available lift gas, large...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187291-MS
... production below the liquid loading rate in the slug flow regime is feasible. Field data and modelling results are presented that illustrate the presence and importance of stable slug flow production in combination with a surface or downhole choke ( White et al. , 2014 ), and in case of poor inflow...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187272-MS
... real time system Reservoir Surveillance modeling gas-lift startup production monitoring Upstream Oil & Gas Brine production control gas lift platform artificial lift system gas injection liquid surge Jump Startup drilling mud choke screen joint dynamic modeling test...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187247-MS
... continuous estimation of the erosion of the choke (‘pseudo erosion probe’). This pseudo erosion probe technique has four key advantages: Significant reduction of the risks of confusion or indecisions with respect to classic acoustic methods of detection (lower sensitivity threshold than other technique...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187046-MS
... such as chokes, valves, and pumps, which add high non-linearity to the solution of network systems. On the other hand, network simulators are well equipped to model multiphase flow in pipelines and production equipment, but they fail at accurately representing inflow from the reservoir into the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181672-MS
... simulation cases. The proposed approach can handle many complexities which occur during a MPD well control incident such as handling multiple influxes from one or several formations, dynamic well control, automated choke control, sudden pump start-up/shut-down, non-Newtonian drilling fluids, arbitrary...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-182144-MS
... Figure 4 Worn plug and cage trim of a choke. Offshore wellhead platforms, relative to onshore well sites, are especially challenging for production engineers to monitor well performance and respond to well problems as at when necessary. Upfront detailed scheduling of wellhead...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181372-MS
..., such as erosional velocity limits, integrity limits and others. Controls typically relate to chokes on every well along with such parameters as the speed of compressors that feed export pipelines with associated gas. Routing of wells, risers and other systems at surface is yet another control that...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181522-MS
... well start-up procedures. In this case, this resulted in major incremental revenue for the operator with more than 1000 BOPD added to overall production. Further, the successful start-up procedure devised using a transient multiphase simulator resorted only to well fluids routing and choke manipulation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-174899-MS
... numerical simulation software applications working together in a single simulation environment, which allowed sensitivity analysis on different elements of the asset and evaluation of any possible impacts among the studied elements, such as manifold choke sizing and gas lifting parameters. This assessment...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170887-MS
... well control annular pressure drilling Upstream Oil & Gas underbalanced operation conference consideration fracture choke pore pressure backpressure wellbore valve circulation MPD high temperature influx choke manifold operation Drilling society of petroleum engineers...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170650-MS
... by monitoring flow from the well. While drilling and circulating through the MPD system with a 800 gal/min pump rate, frictional pressures of 120 psi in the well and 110 psi through the MPD system were measured with both 3-in. chokes wide-open. Drilling continued over the next 250 m from the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170654-MS
... production monitoring drilling fluids and materials flow metering managed pressure drilling Reservoir Surveillance annular pressure drilling CFD Simulation phase change solver Choke Position modeling fiELD PERSONNEL surface equipment experimental data production control multiphase...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166196-MS
... society of petroleum engineers choke asphaltene inhibition subsea choke paraffin deposition xylene southern flowline The well was completed with smart sleeves allowing production from two zones (Zone A and Zone B), one zone at a time. As expected, initial production from Power Play was from...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166432-MS
... correlation using site-specific and field-regressed coefficients. Measured data for daily and total cumulative gas, water, and oil produced, choke size, and tubing pressure for several wells within a field are needed to develop field-regressed coefficients for the Gilbert-type equation. However, once they...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-147049-MS
... downhole head tension reading constant mechanical plug fishing operation upstream oil & gas tractor plug completion installation and operations isolation operation objective procedure cable angsi field indication choke water shut-off spe 147049 brilliant water shut-off...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-147278-MS
... during connections from the stand pipe to the MPD pressure control equipment at the annulus uses a valve manifold with an on-board choke. In addition to eliminating more expensive solutions, this method will improve pressure control and increase the operating range of MPD to provide higher pressures...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146267-MS
... includes the delivery system for the chemicals and the vessel over-boarding equipment. To maximize the efficiency of this method of managing scale in subsea wells, MARS enabled chokes are now being considered for greenfield and new well developments where the MARS choke is fitted to the tree as part of...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-134948-MS
... Abstract The regulated intermittent gas production by automated on/off of the wellhead choke, also called "well cycling", is often the only short-term option that the offshore operators can practice in order to prolong the well production life once they are loaded up by liquid. The field...

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