CN2739605Y - Water-blocking packer detecting device - Google Patents

Abstract

The utility model discloses a water-blocking packer detecting-seal device, which relates to a matching tool used for the mechanical water-blocking well detecting-seal in the oil-field development. The water-blocking packer detecting-seal device is composed of a detecting-seal switch (1) and a controller (2) for the detecting-seal switch. A piston-sealing ring (1-3) is arranged in the installing slot (1-2-1) of the sealing ring. A piston (1-2) is arranged in the inner hole (1-1-3) of an outer barrel (1-1). The barrel wall of the outer barrel (1-1) is provided with a detecting-seal hole (1-1-1). The outer screw (1-4-2) of a lower joint (1-4) is connected with the inner screw (1-1-2) of the outer barrel (1-1) by matching. The controller for the detecting-seal switch (2) is composed of a controller main-body (2-1) and a clip (2-2) which is arranged in the installing slot (2-1-1) of the clip. The controller for the detecting-seal switch (2) is arranged in the inner hole (1-2-2) of the piston (1-2). The utility model has high reliability, good sealing performance and can accurately judge the reason of the ineffective water blocking.

Description

The Packer for blocking water packer detecting device

Technical field:

The utility model relates to and is used for the kit that the water pack off well is tested envelope in a kind of oil-field development, is specially adapted to the envelope of testing of one-level or two-stage Packer for blocking water.

Background technology:

In recent years, the oil well in oil field has entered high water-cut stage.The Packer for blocking water that generally uses can not be tested encapsulation technique with the well of routine and implement to test envelope at present, particularly implement Packer for blocking water and test envelope for the well that some terms of validity are short or repeatedly water blockoff is invalid repeatedly, owing to be subjected to factor affecting such as ball-and-seat, spring in the constant pressure switch be perishable, can't accurately judge the water blockoff failure reasons, reliability is low, and sealing can not get guaranteeing.

The utility model content:

For improving oil well is implemented reliability and the sealing that Packer for blocking water is tested envelope, the utility model provides a kind of Packer for blocking water packer detecting device.It is by testing pass, Fengkai 1 and testing Fengkai gateway controller 2 and form; Test the Fengkai and close 1 by urceolus 1-1, piston 1-2, piston packing 1-3, lower sub 1-4 and lower sub O-ring seal 1-5 form, piston packing 1-3 places in the O-ring seal mounting groove 1-2-1 on the piston 1-2 external diameter, piston 1-2 places in the endoporus 1-1-3 of urceolus 1-1, the barrel of urceolus 1-1 is provided with tests sealing of hole 1-1-1, testing sealing of hole 1-1-1 under the conventional state is closed by piston 1-2, be not communicated with inside and outside making oil pipe, lower sub O-ring seal 1-5 places in the O-ring seal mounting groove 1-4-1 on the lower sub 1-4 external diameter, the end that lower sub 1-4 has O-ring seal mounting groove 1-4-1 is provided with external thread 1-4-2, the lower end of the endoporus 1-1-3 of urceolus 1-1 is provided with internal thread 1-1-2, and the external thread 1-4-2 of lower sub 1-4 and the internal thread 1-1-2 of urceolus 1-1 are connected; Test Fengkai gateway controller 2 and be made up of controller main body 2-1, jump ring 2-2, jump ring 2-2 places in the jump ring mounting groove 2-1-1 of controller main body 2-1; Testing Fengkai gateway controller 2 places and tests the Fengkai and close in the endoporus 1-2-2 of 1 piston 1-2.The Fengkai of testing of the present utility model is closed 1 and is gone into the well with water plugging string in advance, behind the oilwell water shutoff, as finding that water plugging effect does not accomplish the end in view, trips out pump and takes out tubing string, be lowered to be connected with test Fengkai gateway controller 2 test the tube sealing post, suppress by oil pipe and implement to test envelope.Testing the Fengkai closes 1 and tests the tube sealing post for Packer for blocking water and provide to cross a liquid passage, because testing the Fengkai closes 1 duty and puts control by testing to put on the Fengkai gateway controller 2, overcome the influence of factors such as ball-and-seat in the constant pressure switch, spring be perishable, the reliability height, good seal performance can accurately be judged the water blockoff failure reasons simultaneously.

Description of drawings:

Fig. 1 is a structural representation of testing pass, Fengkai 1, Fig. 2 is a structural representation of testing Fengkai gateway controller 2, Fig. 3 is the A-A cut-open view of Fig. 1, Fig. 4 tests the position of testing pass, Fengkai 1 when state is begun in the Fengkai and testing Fengkai gateway controller 2 to concern synoptic diagram, and Fig. 5 tests pass, Fengkai 1 to concern synoptic diagram with the position of testing Fengkai gateway controller 2 when testing sealed knot pencil attitude.

Embodiment:

Embodiment one: (referring to Fig. 1,2,3,4,5) the utility model is by testing pass, Fengkai 1 and testing Fengkai gateway controller 2 and form; Test the Fengkai and close 1 by urceolus 1-1, piston 1-2, piston packing 1-3, lower sub 1-4 and lower sub O-ring seal 1-5 form, piston packing 1-3 places in the O-ring seal mounting groove 1-2-1 on the piston 1-2 external diameter, piston 1-2 places in the endoporus 1-1-3 of urceolus 1-1, the material of piston 1-2 is a permanent-magnet steel, the contact force of piston 1-2 and urceolus 1-1 is big, the piston 1-2 that can cause because of inertia in the process of the going into the well phenomenon that falls does not voluntarily take place, the barrel of urceolus 1-1 is provided with eight and tests sealing of hole 1-1-1, testing sealing of hole 1-1-1 under the conventional state is closed by piston 1-2, be not communicated with inside and outside making oil pipe, lower sub O-ring seal 1-5 places in the O-ring seal mounting groove 1-4-1 on the lower sub 1-4 external diameter, the end that lower sub 1-4 has O-ring seal mounting groove 1-4-1 is provided with external thread 1-4-2, the lower end of the endoporus 1-1-3 of urceolus 1-1 is provided with internal thread 1-1-2, and the external thread 1-4-2 of lower sub 1-4 and the internal thread 1-1-2 of urceolus 1-1 are connected; Test Fengkai gateway controller 2 and be made up of controller main body 2-1, jump ring 2-2, jump ring 2-2 places in the jump ring mounting groove 2-1-1 of controller main body 2-1; Testing Fengkai gateway controller 2 places and tests the Fengkai and close in the endoporus 1-2-2 of 1 piston 1-2.

The utility model in use, testing pass, Fengkai 1 goes into the well with water plugging string in advance, when testing envelope, trip out the interior pump of well and take out tubing string, be lowered to be connected with test Fengkai gateway controller 2 and other kit test the tube sealing post, testing Fengkai gateway controller 2 places and tests the Fengkai and close in the endoporus 1-2-2 of 1 piston 1-2, when testing the envelope original state, the jump ring 2-2 that tests Fengkai gateway controller 2 contacts with inclined-plane, the left side 1-2-3 of piston 1-2, the jump ring 2-2 that tests Fengkai gateway controller 2 promotes to test the Fengkai, and to close 1 piston 1-2 descending, when walking to bottom dead centre, test sealing of hole 1-1-1 and be opened this moment, and the piston 1-2 that tests pass, Fengkai 1 no longer continues descending, the jump ring 2-2 that tests on the Fengkai gateway controller 2 is compressed, test Fengkai gateway controller 2 and continue descendingly, jump ring 2-2 walks to piston 1-2 below and opens voluntarily, on carry and test Fengkai gateway controller 2 and prepare; Test the Fengkai and close 1 and test the tube sealing post for Packer for blocking water and provide to cross a liquid passage, highly pressurised liquid flow to water blockoff interval oil jacket annular space by testing sealing of hole 1-1-1, utilizes the cover platen press to judge the sealing situation of upper packer; Lower packet sealing situation can be by memory-type pressure meter etc. other test the envelope kit and test.When testing the sealed knot bundle, on carry and test the tube sealing post, the jump ring 2-2 that tests Fengkai gateway controller 2 contacts with the right left side inclined-plane 1-2-4 of piston 1-2, the piston 1-2 that tests pass, Fengkai 1 moves up under the effect of the jump ring 2-2 that tests Fengkai gateway controller 2, when moving to upper dead center, test sealing of hole 1-1-1 and be closed, piston 1-2 moves on no longer continuing, the jump ring 2-2 that tests on the Fengkai gateway controller 2 is compressed, and takes out from the down-hole and tests Fengkai gateway controller 2.Close 1 duty and put control owing to test the Fengkai, overcome the influence of factors such as the ball-and-seat in the constant pressure switch, spring are corroded by testing to put on the Fengkai gateway controller 2, the reliability height, good seal performance can accurately be judged the water blockoff failure reasons simultaneously.

Claims (2)

1, Packer for blocking water packer detecting device is characterized in that it is by testing pass, Fengkai (1) and testing Fengkai gateway controller (2) and form; Test the Fengkai and close (1) by urceolus (1-1), piston (1-2), piston packing (1-3), lower sub (1-4) and lower sub O-ring seal (1-5) are formed, piston packing (1-3) places in the O-ring seal mounting groove (1-2-1) on piston (1-2) external diameter, piston (1-2) places in the endoporus (1-1-3) of urceolus (1-1), the barrel of urceolus (1-1) is provided with tests sealing of hole (1-1-1), lower sub O-ring seal (1-5) places in the O-ring seal mounting groove (1-4-1) on the external diameter of lower sub (1-4), the end that lower sub (1-4) has O-ring seal mounting groove (1-4-1) is provided with external thread (1-4-2), the lower end of the endoporus (1-1-3) of urceolus (1-1) is provided with internal thread (1-1-2), and the external thread (1-4-2) of lower sub (1-4) is connected with the internal thread (1-1-2) of urceolus (1-1); Test Fengkai gateway controller (2) and be made up of controller main body (2-1), jump ring (2-2), jump ring (2-2) places in the jump ring mounting groove (2-1-1) of controller main body (2-1); Testing Fengkai gateway controller (2) places and tests the Fengkai and close in the endoporus (1-2-2) of piston (1-2) of (1).

2, Packer for blocking water packer detecting device according to claim 1 is characterized in that the described sealing of hole (1-1-1) of testing is eight.

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