CN201726095U

CN201726095U - Oil-charging insulating annular cable head

Info

Publication number: CN201726095U
Application number: CN2010202705165U
Authority: CN
Inventors: 王波; 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-26
Filing date: 2010-07-26
Publication date: 2011-01-26
Anticipated expiration: 2020-07-26

Abstract

The utility model relates to an oil tool, in particular to an annular cable head used for connecting a logging cable with a logging instrument. The annular cable head comprises a fishing bell (1), a tight cable short connector (2), a cable wire compressing pad (3), a compressing threaded sleeve (4), a wiring drum (5), a sealant tail (6), a sealing plug (7), a sealing plug short connector (8), a sliding ring head (9), a connecting cap (10), a sliding ring (11) and a protecting cap (12); and the annular cable head also comprises an oil seal assembly consisting of a sealing head (13), an oil charging capsule (14) and an oil charging short connector (15); insulating oil (17) is filled in a sealed space formed by the sealing head (13), the oil charging capsule (14), the oil charging short connector (15) and the sealing plug short connector (8); and the sealant tail (6) and the sealing plug (7) are immersed in the insulating oil (17) and are sealed from the outside in an insulating way. The annular cable head has good pressure resistance and insulating property, can guarantee normal well logging work, better saves manpower and material when in use, guarantees the well logging time, and does not influence normal operation of well logging.

Description

Oil-filled insulation annular space cable end

Technical field

The utility model relates to petroleum tool, particularly a kind of annular space cable end that is used to connect logging cable and logger.

Background technology

The annular space cable end is a requisite product in the annular space log of oil field, and it plays the effect of be tightly connected logging cable and logger, and the problem that existing annular space cable end exists mainly is: sealing plug is limit by its manufacture craft, and insulating properties does not reach desirable effect; Sealing between sealing between fluid sealant tail and the sealing plug, glue tail lead-out wire and the glue tail is subjected to the restriction of its sealing means; sealing effectiveness is difficult to the effect that reaches desirable; cause the resistance to pressure and the insulating properties of existing oil field annular space cable end all reliable inadequately thus; cause the well logging failure through regular meeting, influence normal logging operation.

Summary of the invention

The purpose of this utility model provides a kind of resistance to pressure and good insulating, can guarantee the oil-filled insulation annular space cable end that normally carries out, can not influence normal logging operation of the work of logging well.

Technical solution of the present utility model is: it comprises fishing bell, tight cable short circuit, the cable wire clamping pad, gland nut, the wiring tube, the fluid sealant tail, sealing plug, the sealing plug short circuit, the slip ring head, attachment cap, slip ring and helmet, it also comprises by seal head, the oil seal assembly that oil-filled capsule and oil-filled short circuit constitute, the upper end and the seal head of oil-filled capsule are tightly connected, lower end and oil-filled short circuit are tightly connected, seal head, the upper end of oil-filled capsule and oil-filled short circuit is positioned at the wiring tube, the external screw thread of oil-filled short circuit upper end is connected with the internal thread of wiring tube lower end, each fluid sealant tail is positioned at oil-filled short circuit, oil-filled short circuit and sealing plug short circuit are by the internal thread of oil-filled short circuit lower end, the external screw thread and the sealing ring of sealing plug short circuit upper end are tightly connected, lead on each fluid sealant tail passes oil-filled short circuit from bottom to top, wire guide on oil-filled capsule and the seal head also seals mutually with wire guide, by seal head, oil-filled capsule, be filled with insulating oil, the position that the fluid sealant tail is connected with its lead in the seal cavity that oil-filled short circuit and sealing plug short circuit constitute, the position that lead is connected with the sealing plug current-carrying part is dipped in the insulating oil with the position that sealing plug is connected with sealing plug short circuit upper end and seals with external insulation.

Technique effect of the present utility model is: its resistance to pressure and good insulating, can guarantee normally carrying out of the work of logging well, and more use manpower and material resources sparingly during use, the well logging time is secure, can not influence normal logging operation.

Description of drawings

Accompanying drawing is the utility model embodiment cutaway view.

Embodiment

As shown in the figure, it comprises fishing bell 1, tight cable short circuit 2, cable wire clamping pad 3, gland nut 4, wiring tube 5, fluid sealant tail 6, sealing plug 7, sealing plug short circuit 8, slip ring head 9, attachment cap 10, slip ring 11 and helmet 12, it also comprises by seal head 13, the oil seal assembly that oil-filled capsule 14 and oil-filled short circuit 15 constitute, the upper end of oil-filled capsule 14 and seal head 13 are tightly connected, lower end and oil-filled short circuit 15 are tightly connected, seal head 13, the upper end of oil-filled capsule 14 and oil-filled short circuit 15 is positioned at wiring tube 5, the external screw thread of oil-filled short circuit 15 upper ends is connected with the internal thread of wiring tube 5 lower ends, each fluid sealant tail 6 is positioned at oil-filled short circuit 15, oil-filled short circuit 15 and the internal thread of sealing plug short circuit 8 by oil-filled short circuit 15 lower ends, the external screw thread and the sealing ring 16 of sealing plug short circuit 8 upper ends are tightly connected, lead 61 on each fluid sealant tail 6 passes oil-filled short circuit 15 from bottom to top, wire guide 131 on oil-filled capsule 14 and the seal head 13 also seals mutually with wire guide 131, by seal head 13, oil-filled capsule 14, be filled with insulating oil 17, the position that fluid sealant tail 6 is connected with its lead 61 in the seal cavity that oil-filled short circuit 15 and sealing plug short circuit 8 constitute, the position that lead 61 is connected with sealing plug 7 current-carrying parts is dipped in the insulating oil 17 with the position that sealing plug 7 is connected with sealing plug short circuit 8 upper ends and seals with external insulation.

The upper end of oil-filled capsule 14 is enclosed within on the seal head 13 and outsidely is fastened and connected by twining iron wiring 18, and the outside, upper end that the lower end of oil-filled capsule 14 is enclosed within oil-filled short circuit 15 is fastened and connected by twining iron wiring 18.Lead 61 on each fluid sealant tail 6 is by being enclosed within on the lead 61, being positioned at the line ball plug 132 of seal head 13 each wire guide 131 and being threaded in line ball screw 133 sealing and fixing on the wire guide 131 on each wire guide 131 of seal head 13.The sidewall of oil-filled short circuit 15 is provided with oil filler point 151, and oil filler point 151 is by being threaded in the plug 152 and sealing ring 16 sealings that are positioned at oil filler point 151 on the oil filler point 151.Sealing ring 16 between sealing plug short circuit 8 and the oil-filled short circuit 15 is positioned at the seal groove 81 on the sealing plug short circuit 8.Be provided with the sealing ring 16 that is enclosed within on the oil-filled short circuit 15 between wiring tube 5 and the oil-filled short circuit 15.The sidewall of wiring tube 5 is provided with wiring hole 51, by screw 19 wiring cover plate 20 is installed on the wiring hole 51.Insulating oil 17 is a transformer oil.

The lower end of fishing bell 1 is connected by the internal thread of external screw thread with tight cable short circuit 2 upper ends, cable wire clamping pad 3 is in tight cable short circuit 2 between fishing bell 1 and the gland nut 4, the internal thread of tight cable short circuit 2 lower ends links to each other with the external screw thread of gland nut 4 upper ends, the upper end of wiring tube 5 is enclosed within the outside of gland nut 4, the internal thread of its upper end links to each other with the external screw thread of tight cable short circuit 2 lower ends, the internal thread of sealing plug short circuit 8 lower ends links to each other with the external screw thread of slip ring head 9 upper ends, attachment cap 10 is enclosed within on the slip ring head 9, the internal thread of its lower end links to each other with the external screw thread of helmet 12 upper ends that are enclosed within slip ring head 9 bottoms from bottom to top, and slip ring 11 is positioned at helmet 12 and links to each other with slip ring head 9.Between fishing bell 1 and the tight cable short circuit 2, between tight cable short circuit 2 and the wiring tube 5, between sealing plug 7 and the sealing plug short circuit 8, between sealing plug short circuit 8 and the slip ring head 9, be respectively equipped with sealing ring 16 between slip ring head 9 and the helmet 12.

The position that the position that fluid sealant tail 6 of the present utility model is connected with its lead 61, lead 61 are connected with sealing plug 7 current-carrying parts is dipped in the insulating oil 17 with the position that sealing plug 7 is connected with sealing plug short circuit 8 upper ends and seals with external insulation, can prevent effectively that sealing enters above-mentioned position, and can keep internal and external pressure balance, its insulated enclosure enhancing, security reliability improves greatly, thereby guarantees carrying out smoothly of well logging work.

Claims

1. oil-filled insulation annular space cable end, it comprises fishing bell (1), tight cable short circuit (2), cable wire clamping pad (3), gland nut (4), wiring tube (5), fluid sealant tail (6), sealing plug (7), sealing plug short circuit (8), slip ring head (9), attachment cap (10), slip ring (11) and helmet (12), it is characterized in that: it also comprises by seal head (13), the oil seal assembly that oil-filled capsule (14) and oil-filled short circuit (15) constitute, the upper end of oil-filled capsule (14) and seal head (13) are tightly connected, lower end and oil-filled short circuit (15) are tightly connected, seal head (13), the upper end of oil-filled capsule (14) and oil-filled short circuit (15) is positioned at wiring tube (5), the external screw thread of oil-filled short circuit (15) upper end is connected with the internal thread of wiring tube (5) lower end, each fluid sealant tail (6) is positioned at oil-filled short circuit (15), oil-filled short circuit (15) and the internal thread of sealing plug short circuit (8) by oil-filled short circuit (15) lower end, the external screw thread and the sealing ring (16) of sealing plug short circuit (8) upper end are tightly connected, lead (61) on each fluid sealant tail (6) passes oil-filled short circuit (15) from bottom to top, wire guide (131) on oil-filled capsule (14) and the seal head (13) also seals mutually with wire guide (131), by seal head (13), oil-filled capsule (14), be filled with insulating oil (17), the position that fluid sealant tail (6) is connected with its lead (61) in the seal cavity that oil-filled short circuit (15) and sealing plug short circuit (8) constitute, the position that lead (61) is connected with sealing plug (7) current-carrying part is dipped in the insulating oil (17) with the position that sealing plug (7) is connected with sealing plug short circuit (8) upper end and seals with external insulation.

2. oil-filled insulation annular space cable end as claimed in claim 1, the upper end that it is characterized in that described oil-filled capsule (14) is enclosed within seal head (13) and goes up and outsidely be fastened and connected by twining iron wiring (18), and the lower end of oil-filled capsule (14) is enclosed within that the upper end of oil-filled short circuit (15) is outside to be fastened and connected by winding iron wiring (18).

3. oil-filled insulation annular space cable end as claimed in claim 1 is characterized in that the lead (61) on described each fluid sealant tail (6) is gone up by being enclosed within lead (61), is positioned at the line ball plug (132) of each wire guide of seal head (13) (131) and is threaded in line ball screw (133) sealing and fixing on the wire guide (131) on each wire guide (131) of seal head (13).

4. oil-filled insulation annular space cable end as claimed in claim 1, the sidewall that it is characterized in that described oil-filled short circuit (15) is provided with oil filler point (151), and oil filler point (151) is by being threaded in the plug (152) on the oil filler point (151) and being positioned at sealing ring (16) sealing of oil filler point (151).

5. oil-filled insulation annular space cable end as claimed in claim 1 is characterized in that sealing ring (16) between described sealing plug short circuit (8) and the oil-filled short circuit (15) is positioned at the seal groove (81) on the sealing plug short circuit (8).

6. oil-filled insulation annular space cable end as claimed in claim 1 is characterized in that being provided with between described wiring tube (5) and the oil-filled short circuit (15) sealing ring (16) that is enclosed within on the oil-filled short circuit (15).

7. oil-filled insulation annular space cable end as claimed in claim 1 is characterized in that the sidewall of described wiring tube (5) is provided with wiring hole (51), and wiring hole (51) is gone up and by screw (19) wiring cover plate (20) is installed.

8. oil-filled insulation annular space cable end as claimed in claim 1, the lower end that it is characterized in that described fishing bell (1) is connected by the internal thread of external screw thread with tight cable short circuit (2) upper end, cable wire clamping pad (3) is positioned between tight cable short circuit (2) fishing bell (1) and the gland nut (4), the internal thread of tight cable short circuit (2) lower end links to each other with the external screw thread of gland nut (4) upper end, the upper end of wiring tube (5) is enclosed within the outside of gland nut (4), the internal thread of its upper end links to each other with the external screw thread of tight cable short circuit (2) lower end, the internal thread of sealing plug short circuit (8) lower end links to each other with the external screw thread of slip ring head (9) upper end, attachment cap (10) is enclosed within on the slip ring head (9), the internal thread of its lower end links to each other with the external screw thread of helmet (12) upper end that is enclosed within slip ring head (9) bottom from bottom to top, and slip ring (11) is positioned at helmet (12) and links to each other with slip ring head (9).

9. oil-filled insulation annular space cable end as claimed in claim 1 is characterized in that between described fishing bell (1) and the tight cable short circuit (2), between tight cable short circuit (2) and the wiring tube (5), between sealing plug (7) and the sealing plug short circuit (8), between sealing plug short circuit (8) and the slip ring head (9), be respectively equipped with sealing ring (16) between slip ring head (9) and the helmet (12).