Oil well bar/pipe integrated operation device under pressure
Technical field
The utility model relates to snubbing serving equipment technology field, especially relates to a kind of oilfield bar/pipe integrated operation device under pressure.
Background technology
Oil field pumping well is because of stratum water filling or shallow gas effect.In well, can produce certain pressure, as adopted pressure release measure.Can cause stratum severe contamination, processing safety is too poor.Thereby need adopt Operating Pressure mode when proposing oil well bar and oil well pipe and oil well pump.Because the mode that removes of oil well bar and oil well pipe has certain difference, oilfield Operating Pressure adopts oil well lever apparatus and oil well pipe device two complete equipments that remove with pressure of removing with pressure at present, there is equipment cost high, operating speed is slow, change loaded down with trivial details, operating cost is high, and therefore complex operation need to improve.
Utility model content
The utility model is in conjunction with the actual pressure of each oilfield of China and user's requirement, the oil well bar/pipe integrated operation device under pressure of special design.This product will remove oil well bar and remove oil well pipe equipment and be integrated on a set of equipment, both can remove oil well bar and also can remove oil well pipe, have simple and practical, highly low, easy for installation, operating efficiency high.
For achieving the above object, the technical solution of the utility model is: oil well bar/pipe integrated operation device under pressure comprises framework platform, four ram preventers, pressure relief flange, tubular preventer or high pressure self-seal well sealing and omnipotent slips, four ram preventers from top to bottom, pressure relief flange, tubular preventer or high pressure self-seal well sealing are successively set on the middle part of framework platform, omnipotent slips is arranged on framework platform, be positioned at the top of tubular preventer or high pressure self-seal well sealing, described device is when removing the state of oil well bar, tubular preventer is set on pressure relief flange, described device, when removing the state of oil well pipe, arranges high pressure self-seal well sealing on pressure relief flange.
In described four ram preventers, be provided with successively from top to bottom full envelope, slips, oil well bar half envelope and oil well pipe half envelope.
The slips of described four ram preventers is oil well bar slips or oil well pipe slips, and described device is when removing the state of oil well bar, and slips is oil well bar slips; Described device is when removing the state of oil well pipe, and slips is oil well pipe slips.
Described device is when removing the state of oil well pipe, and described oil well bar/pipe integrated operation device under pressure also comprises a traveling slip, and traveling slip is arranged on omnipotent slips.Described device, when removing oil well bar state, takes off traveling slip.
Described framework platform comprises column, lower transverse beam platform, top rail platform, oil cylinder and the platform that moves about, and lower transverse beam platform and top rail platform are arranged on column, and oil cylinder is arranged on top rail platform, and oil cylinder top arranges the platform that moves about.Oil cylinder can drive the platform that moves about to move up and down.
Described column bottom is provided with hand screw lifting column.
Described pressure relief flange sidepiece is provided with relief valve.
Described relief valve is manually gate valve.
Described tubular preventer is tubular rubber core annular preventer.
Described omnipotent slips is the omnipotent traveling slip of flashboard type.
The utility model in use only needs to change a small amount of parts can realize removing of oil well bar and oil well pipe, simple and practical, highly low, easy for installation, operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil well bar of the present utility model/pipe integrated operation device under pressure when removing oil well bar;
Fig. 2 is the structural representation of oil well bar of the present utility model/pipe integrated operation device under pressure when removing oil well pipe.
Wherein: 1-oil cylinder, 2-tetra-ram preventers, 3-pressure relief flange, 4-tubular preventer, 5-traveling slip, the omnipotent slips of 6-, the 7-platform that moves about, 8-top rail platform, 9-top rail, 10-column, 11-lower transverse beam platform, 12-hand screw lifting column, 13-high pressure self-seal well sealing, 14-seals entirely, 15-oil well bar slips, 16-oil well bar half envelope, 17-oil well pipe half envelope, 18-oil well pipe slips.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, oil well bar/pipe integrated operation device under pressure, configures while removing the operation of oil well bar, and described column 10 is provided with top rail 9 and lower transverse beam platform 11, and column 10 regulates height by hand screw lifting column 12; Wherein, these top rail 9 tops are provided with top rail platform 8, and on top rail platform 8, left and right is provided with hoist cylinder 1, and hoist cylinder 1 top is connected with the crossbeam 7 that moves about, crossbeam 7 middle parts of moving about are provided with passage, be connected with the omnipotent slips 6 in top and traveling slip 5, these lower transverse beam platform 11 middle parts are provided with passage, and this passage top is provided with four ram preventers 2, four ram preventer 2 tops are provided with pressure relief flange 3, pressure relief flange 3 is provided with relief valve, and relief valve is manually gate valve, and pressure relief flange 3 is for uploading a lower flange.These pressure relief flange 3 tops are connected with tubular preventer 4, and this tubular preventer 4 is connected with pressure relief flange 3, four ram preventers 2.Simultaneously in four ram preventers 2, have four layers to be followed successively by from top to bottom full envelope 14, oil well bar slips 15, oil well bar partly seal 16 and oil well pipe partly seal 17.Hoist cylinder 1 terminal pad in left and right combines as a whole.Lower transverse beam platform 11 supports left and right hoist cylinder 1.Lower transverse beam platform 11 middle parts have through hole to be connected with well head big four by loose flange, can realize integral hoisting transportation.
As shown in Figure 2, oil well bar/pipe integrated operation device under pressure, configures while removing oil well pipe operation, and described column 10 is provided with top rail 9 and lower transverse beam platform 11, and column 10 regulates height by hand screw lifting column 12, wherein, these top rail 9 tops are provided with top rail platform 8, on top rail platform 8, left and right is provided with hoist cylinder 1, hoist cylinder 1 top is connected with the crossbeam 7 that moves about, crossbeam 7 middle parts of moving about are provided with passage, be connected with top traveling slip 6, these lower transverse beam platform 11 middle parts are provided with passage, this passage top is provided with four ram preventers 2, four ram preventer 2 tops are provided with pressure relief flange 3, pressure relief flange 3 is upper and lower flange arrangement, pressure relief flange 3 is provided with relief valve, relief valve is manually gate valve, and these pressure relief flange 3 tops are connected with high pressure self-seal well sealing 13, and this high pressure self-seal well sealing 13 and four ram preventers 2, pressure relief flange 3 is communicated with.Simultaneously in four ram preventers 2, have four layers to be followed successively by from top to bottom full envelope 14, oil well pipe slips 18, oil well bar partly seal 16 and oil well pipe partly seal 17.The relief valve of pressure relief flange 3 side dresses is manually gate valve, and for pressure release, raised portion is to be convenient to derive oil well bar box cupling and centralizer and oil well pipe box cupling in order to improve second envelope to the distance between first envelope.Hoist cylinder 1 terminal pad in left and right combines as a whole.Lower transverse beam platform 11 supports left and right hoist cylinder 1.Lower transverse beam platform 11 middle parts have through hole to be connected with well head big four by loose flange, can realize integral hoisting transportation.
Operating desk also can be established in oil well bar/pipe integrated operation device under pressure top, and side is furnished with ladder, escaping slideway and oil well pipe slideway, and power source and control box system.Above-mentioned configuration is well known to those skilled in the art, and repeats no more.
After proposing, oil well bar for spraying in anti-oil well pipe, must seal oil well pipe bottom with lower blanking plug.While carrying oil well pipe, only need seal oil jacket annular space.
This device Operating Pressure program comprises following link:
(1) polished rod to be transferred, make oil pump plunger piston on earth, make down-hole pressure in oil pumping pump line, enter oil well pipe.
(2) remove polished rod seal mouth and the above oil production wellhead valve group of oil recovery big four upper cover.
(3) do sparetime university and hook bar/pipe operation device under pressure main frame of slinging, by polished rod, be set with seat on big four well head.
(4) on large hook, join oil well bar lifting sub, to connecting, prepare extraction oil well bar with pressure with the polished rod in operation device under pressure.
(5) this main frame bottom is four flashboard hydraulic blowout preventers 2.
(6) before proposing the operation of oil well bar, the slips part of four ram preventer 2 second layer flashboard slips should be changed into oil well bar slips part.
(7) the little flashboard type slips 5 that omnipotent slips 6 tops install a FZ8.0-7t additional using top is as traveling slip.
(8), the high pressure self-seal well sealing 13 of standing part topmost, change the tubular rubber core annular preventer 4 that surges for FH8.0-14, for removing oil well bar.
(9) after all being proposed, oil well bar can close at foot the full envelope of four ram preventers 2.
(10) the oil well bar slips structural reform of four ram preventers 2 is changed to oil well pipe slips body.
(11) traveling slip 5 is moved.
(12) standing part topmost FH8.0-14 annular preventer 4 is changed to the high pressure self-seal well sealing 13 for oil well pipe sealing use, can remove oil well pipe operation.
The foregoing is only the preferred embodiment of utility model, therefore do not limit protection domain of the present utility model.