Gas Lift

Gas LiftThe worlds leading sustainability consultancy

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The worlds leading sustainability consultancyThe worlds leading sustainability consultancyGas lift2Gas lift is a method of artificial lift that uses an external source of high-pressure gas for supplementing formation gas to lift the well fluids.

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyGas Lift Injection3

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyPath of Injected Gas4

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyGas Lift Principles5Gas injected into the tubing reduces the density of the fluids in the tubing, Bubbles have a scrubbing action on the liquids. Both factors act to lower the flowing Bottom Hole Pressure (BHP) at the bottom of the tubing in order to allow the well to flow under the existing formation pressure. Animation

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyGas Lift Principles6It is possible to lift from 200 to 80000 bbls/day.As more fluid is produced the average reservoir pressure decreases requiring increase in amounts of aeration to maintain a constant production level.The gas injection could be either continuous or intermittent.

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyGas Lift Valve7

Standard Gas Lift Valves:Are vulnerable to erosionTheir purpose is to avoid reverse flow and they are not isolation barriers

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyTypical Production Well Barriers8

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyTypical Gas Lift Well Barriers9All above barriers protect the tube side and not the annulus side.Standard gas lift valve could not act as an isolation barrier.Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyIncidents10Even when the downhole annulus valve is functioning properly the volume of the gas behind this 2 line is equivalent to several thousands gas bottles.

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyAnnulus Barriers11

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancySurface Annulus Safety Valve (SASV)12

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyDownhole Annulus Safety Valve (DHASV)13

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancySafe Gas Lift Valve14

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyValve Operating Mechanism15

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyAnnulus Barriers16Using the SASV and Safe Gas Lift Valves greatly increases safety and risk of annulus gas leakage to the platform is brought to a minimum.However, due to policy and regulations a Downhole Annulus Safety Valve may still be necessary.

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancyReferences17

Body textWhats this layout for?This slide forms the base of the majority of slides a text box with bullets are included ready for you to type into.The worlds leading sustainability consultancy