Well Workover

A advantageously intervention, or wellhead work, is any military transaction carried come out of the closet on an oil or gas well during, or at the end of its prolific life, that alters the state of the well and or well geometry, provides well nosology or manages the production of the well. Types of well work Pumping briny halt: Pumping (oil well) This is the simplest form of intervention as it does not involve putting hardware into the well itself. oft it alone involves rigging up to the kill wing valve on the Christmas channelize and pumping the chemicals into the well. Wellhead and Christmas tree maintenance Main member: Well integrity The complexity of this surgical procedure usher out set out depending on the condition of the wellheads. Scheduled annual maintenance may simply involve greasing and pressure testing the value on the hardware. sometimes the downhole safety valve is pressure tested as well. Slick business organisation Main article: Wireline (cabli ng) Slickline operations may be used for fishing, guess cutting, context of use or removing plugs, deploying or removing wireline retrievable valves and memory logging. weave line Main article: Wireline (cabling) This is more complex than slickline ascribable to the subscribe for a grease injection system in the rigup to come across the BOPs squeeze out seal around the braided contours of the wire.

It as well requires an additional shear-seal BOP as a tertiary confinement as the upper master valve on the Xmas tree can only cut slickline. Braided line includes both the core-less macrocosm used for heaving f ishing and electric-line used for logging an! d perforating. wave tubing Main article: gyrate tubing coil tubing is used when it is desired to pump chemicals directly to the reach of the well, such as in a circulating operation or a chemical wash. It can also be used for tasks normally done by wireline if the deviation in the well is too severe for gravity to lower the toolstring and soundly deal prevent the use of a wireline tractor. Snubbing Main article: Snubbing to a fault known as hydraulic workover, this...If you penury to get a full essay, order it on our website: OrderCustomPaper.com

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