A kind of workover prevent sputtering recycling device
During the operation of the oil pipe downhole, as time goes by, the inner wall of the oil pipe will adhere to the solidified crude oil and wax, which will gradually reduce the diameter of the oil pipe.
In the workover operation site, in order to ensure that the attachments on the inner wall of the oil pipe can be cleaned up, usually put the oil pipe wax remover in the oil pipe, first use the power of the cement truck to hit the oil pipe, so that the oil pipe wax remover travels from one end of the oil pipe to the other end, Forcibly scrape off most of the attachments on the inner wall of the tubing. Then use steam heat energy to pierce the oil pipe.
The specific method is to use a mobile steam device to generate steam, connect a rubber hose to the steam outlet, and connect a different diameter steel pipe to the end of the hose, and use the steam heat energy to gradually remove the crude oil and wax on the inner wall of the oil pipe. Melt, use the thrust generated by steam to stab the melted oil by sweeping it out of the oil pipe.
As the country attaches great importance to environmental protection work, oilfields have higher and higher environmental protection requirements on the operation site. When the oil pipe is punctured and cleaned at the operation site, the dirty oil and water discharged from the outlet of the end of the oil pipe usually fall directly on the environmental protection pad laid on the ground and flow everywhere. The dirty oil and water cannot be collected and recycled in time, it is time-consuming and laborious to clear the site, and it is easy to cause environmental pollution.
Therefore, during the operation in the lake area, the oil pipes that are pulled out cannot be punctured on the spot, they need to be pulled back to the oil pipe factory for repair, and the oil pipes are directly replaced. Due to the limitations of the oil pipe factory’s own conditions, many oil pipes will rust and corrode due to the long storage time, resulting in a huge waste of production costs. At the same time, because the oil pipes cannot be punctured on site, many pump inspection wells cannot know the reason for the operation.
The process design department will not be able to take targeted measures to extend the maintenance-free period of the oil well, which will also increase the operating cost virtually. There are also some wells that overflow during operation due to factors such as formation pressure or water injection efficiency.
On-site overflow pools must be dug, and anti-seepage membranes must be installed. After the operation, they must be backfilled. Splash prevention device currently used in oil fields is installing a sputter shield on the hydraulic pliers and below connects a drain pipe. When using it, move with hydraulic pliers. This can play a role in preventing sputtering, but has an impact on the shackle on the tubing. It does not have a good effect with problem of poor sealing or poor diversion effect.
Splash prevention device currently used in oil fields is installing a sputter shield on the hydraulic pliers and below connect a drain pipe. When using it, move with hydraulic pliers. This can play a role in preventing sputtering, but has an impact on the shackle on the tubing. It does not have a good effect with problem of poor sealing or poor diversion effect.
The purpose of the utility model is to overcome the problems existing in the prior art and provide a portable waste liquid recovery device on site of workover operations, which can realize on-site puncturing and cleaning of oil pipes, avoid puncturing waste liquid from polluting the on-site environment, and reduce oil pipe waste. Replacement to reduce production costs.
In order to solve the above technical problems, a portable waste liquid recovery device for a well workover operation site of the present invention comprises a rectangular box body with an open upper end, and an arc-shaped top cover is hinged on one side edge in the length direction of the upper port of the box body.
The two sides of the free end of the arc-shaped top cover are respectively supported on the two side edges of the box body through the oblique support rods; A fan-shaped side flap that can be unfolded or folded; the upper port of the box body is covered with a detachable isolation net, and the mesh of the isolation net is smaller than the outer diameter of the oil pipe wax remover.
It formed by anti-sputter hood(3),drain pipe(10). Connect on top of the anti-sputter hood(3) and drain pipe(10) and inferior drain pipe(10) connect with a dolly(2). The dolly(2) is installed on the rail(5) of base(1). One port of the base(1) has locating hole and anti-rotation pin(4),another port is welded with flange(12). When using it, connect and fix the flange(12) with cross joint, and connect the water hose of camp with drain pipe(10). Push the dolly(2) along the rail(5) to the well side, use the anti-sputter hood(3) to houl the tube and close the locking device(14). So that can limit the sprayed oil to the anti-sputter hood(3) and discharge by water pipe(10) which can recycle sprayed oil and protect wellsite environment.
Compared with the prior art, the utility model achieves the following beneficial effects: when the cement truck is used to drive the oil pipe, the end of the piercing oil pipe is inserted between the upper port of the box body and the arc-shaped top cover, and is aligned with the isolation net, and the oil pipe is cleaned.
The wax container will fall on the isolation net, so that the staff can continue to use it after finding it. Then, when steam heat energy is used to pierce the oil pipe, the thrust generated by the steam will flush the melted oil out of the oil pipe, and the oil will fall into the box. The lever can adjust the opening angle of the curved top cover.
The fan-shaped side flaps can be opened or folded like a fan. Regardless of the opening of the arc-shaped top cover, it can reliably seal the arc-shaped top cover to prevent steam and oil from flying out from both sides of the arc-shaped top cover to avoid environmental pollution.
When a certain amount of waste liquid is collected in the tank, the tanker is arranged to recycle the waste liquid uniformly, eliminating the process and cost of digging, filling the overflow pool and laying anti-seepage membrane, as well as arranging the cost of hoisting and truck hoisting the tank, saving costs.
The portable waste liquid recovery device has low height, small volume, light weight and low discharge conditions. It can be placed in any corner of the well site, which is convenient for puncturing the oil pipe at the operation site in the lake area, and then implements the field maintenance of the oil well and prolongs the pump inspection of the oil well. cycle, while reducing the number of replacements of oil pipes in operating wells, saving costs.
As an improvement of the present invention, the isolation net covers the entire length of the port on the box body, and the width of the isolation net is half of the width of the port on the box body. The upper port of the box is in a half-open state. Once the mesh of the isolation net is blocked, the waste liquid can quickly fall into the box from the opening to prevent the waste liquid from overflowing out of the box.
As a further improvement of the present invention, the lower end of the isolation net is supported on the sliding rail of the isolation net, the sliding rail of the isolation net is parallel to the width direction of the box body, and is symmetrically located on the left and right sides of the upper port of the box body sides. Due to the difference in the length of the oil pipe, the position of the box body is difficult to be very accurate. The isolation net can be slid on the sliding rail of the isolation net to adjust the position so that the oil pipe wax remover can be accurately caught.
As a further improvement of the present invention, the bottom of one side wall of the box body is provided with a drain hole, the inner port of the drain hole is provided with a drain valve, and the handwheel of the drain valve is upward. The drain valve is built-in, and the extension of the outer port of the drain hole is very short, as long as the hose can be connected, it is convenient to place the two boxes side by side and use the drain hole in series to avoid the space occupied by the external hydraulic valve. Large;
for some wells with small overflows, the multiple boxes can be used to collect the puncturing waste liquid, and when a certain amount is collected, a tanker is arranged to collect the waste liquid uniformly; the handwheel of the drain valve is upward to facilitate the The handwheel is turned by the tool above the box.
As a further improvement of the present invention, a wrench with a rotatable handwheel is inserted into the handwheel of the drain valve, and the handle of the wrench extends vertically upward to the bottom of the isolation net.
The operator can open or close the drain valve by turning the handwheel below the upper end of the box with a wrench, without having to search for the handwheel below the liquid level, which is convenient and quick without contaminating the operator’s arm.
As a further improvement of the present invention, the length of the oblique support rod is adjustable. The opening angle of the arc top cover can be adjusted by adjusting the length of the oblique support rod.
As a further improvement of the present invention, the bottom of the rectangular box body is provided with rollers. It is convenient to transport the box and adjust the position of the box.
The purpose of this utility model is to offer a kind of workover prevent sputtering recycling device to prevent sputtering and recycle.