Defend to spray a machine is used for trying oil and fix to close mouth of a well in the homework processes-Defend to spray a machine is used for trying oil and fix to close mouth of a well in the homework processes
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Defend to spray a machine is used for trying oil and fix to close mouth of a well in the homework processes, such as well and over well...etc. and keep well from spraying trouble occurrence and will all seal to seal two kinds of functions to match with halfFor the integral whole, have structure simple, easily operate, bear high pressure etc. the characteristics is an oil-field the safety in common usely keeping well from spraying seal completely mouth of a well device. Petroleum artesian well, install a tube head at the mouth of a well set up, use to control high pressure oil, annoy, aqueous of the well spray device.In the oil inside the well barometric dint very Gao, defendSpraying the machine can chase mouth of a well closing.(the pass dies)From drill to press to go into inside the pole heavy mud, its sluice board bottom contains 4, mud can substitute to suffer indignities to invade, increase wellInside the pressure of liquid pillar with suppress the jet of high pressure oil spirit. Its type cent commonness defends to spray a machine, all-powerful defend to spray a machine and revolve to defend to spray a machine.[1] is all-powerful to defend to spray a machine is can under the urgent condition start, cope with any Chinese footThe inch drills and empty well;Revolve to defend to spray a machine is carry out to spray while drilling a homework.In the artesian well of deep well often is two kinds of commonnesses defend to spray a machine, besides which, add againAround ten thousand can defend to spray a machine and revolve to defend to spray a machine, make 3 kinds or four kinds of combinations ground been packed to mouth of a well.

[2] wreath forms defend to spray a machine The wreath form defends to spray a machine Usually have the large gateway that the sluice board type defends to spray a machine, operation meeting at take care of between well tube and pillar form 1 seals completely of wreath form space, have in the Mie inside the wellTake care of the circumstance of pillar under, can also complete to seal well alone, but use several times don't go, and disallow long-term pass well usage. The U type defends to spray a machine design to open for hydraulic and closes sluice board, and can be convenient to fastly replace sluice board. Control system provide of the close pressure is used for a close to defend to spray machine sluice board, can used for opening to carry a cover in the meantime as well.Control while useding for opening to carry a coverThe close pressure that makes system makes the sluice board closed, after toring down to carry cover stud bolt, make use of the pressure of controling the system to open to carry a cover.After carrying a cover and completely opening,The sluice board can take out from the essence.The coping in each sluice board is aller useful than gearing to mourn to button up of thread, can pack to commit suicide by hanging to button up, for the purpose of sluice board hang. Control the system provides of open pressure to used for opening to defend to spray machine sluice board, can used for a close to carry a cover in the meantime as well.Control while useding for a close to carry a coverMake opening of system the pressure make the sluice board opened.After the sluice board replaces, make use of the opening of control system pressure close to carry a cover.Move in the sluice board into defend to spray a machineFront, the sluice board is pulled up first to close to carry a cover.This perpendicular that promised that the sluice board doesn't impede to defend to spray a machine bore, avoid and drill pole friction inside the well.At carry a coverAfter the complete close, the gearing carries cover stud bolt fastness.

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