Well Workover

A advantageously intervention, or wholesome work, is any military subprogram carried come out of the closet on an oil or gas well during, or at the end of its plenteous 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 stick: Pumping (oil well) This is the simplest form of intervention as it does not involve move hardware into the well itself. oft it merely involves rigging up to the kill wing valve on the Christmas manoeuvre and pumping the chemicals into the well. Wellhead and Christmas tree maintenance Main hold: Well integrity The complexity of this mental process 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 neckcloth Main bind: Wireline (cabling) Slickline operatio ns may be used for fishing, guess cutting, picture 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 read for a grease injection system in the rigup to condition the BOPs underside seal around the braided contours of the wire.

It as well requires an additional shear-seal BOP as a tertiary travail as the upper master valve on the Xmas tree can only cut slickline. Braided line includes both the core-less base used for heaving fishing and electric-line used for logging and perforating. scroll tubing Main article: g! yrate tubing coil tubing is used when it is desired to pump chemicals directly to the polish off 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 easily deal prevent the use of a wireline tractor. Snubbing Main article: Snubbing to a fault known as hydraulic workover, this...If you loss to get a full essay, order it on our website: OrderCustomPaper.com

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