CN203965673U - Optical fiber downhole television is tested special-purpose head harness - Google Patents
Optical fiber downhole television is tested special-purpose head harness Download PDFInfo
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- CN203965673U CN203965673U CN201420256145.3U CN201420256145U CN203965673U CN 203965673 U CN203965673 U CN 203965673U CN 201420256145 U CN201420256145 U CN 201420256145U CN 203965673 U CN203965673 U CN 203965673U
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- optical cable
- connecting cylinder
- binding post
- lower sub
- optical fiber
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Abstract
The utility model discloses optical fiber downhole television and test special-purpose head harness, comprise armored optical cable, connecting cylinder, lower sub, described connecting cylinder is connected with lower sub, described armored optical cable penetrates connecting cylinder inner chamber, described lower sub upper end is provided with binding post, the armored optical cable that penetrates connecting cylinder inner chamber is fastened on the positive wire connecting line of self on binding post, described lower sub has center pit, optical cable pipe core is housed in center pit, described positive wire connecting line is wrapped on optical cable pipe core by binding post, described lower sub upper end and be positioned at binding post upper and lower near position and connecting cylinder cavity wall formation annular space, this changes empty for being wound around combination sealing adhesive tape place, for being wound around combination sealing adhesive tape in binding post position.Described connecting cylinder inner chamber is also provided with the stationary installation of the steel wire that is used for fixing armored optical cable.The utility model can be realized subsurface equipment being reliably lowered in testing string, guarantees the signal transmission of subsurface equipment and uphole equipment.
Description
Technical field
The utility model relates to the optical fiber downhole television test kit of petroleum industry, and especially optical fiber downhole television is tested special-purpose head harness.
Background technology
Oil-field development is to the middle and later periods, and casing failure is serious, and Optical Fiber Transmission downhole television measuring technology is state-of-the-art down-hole video detection technique in the world at present.It is intuitive and reliable that it has test, the advantage that data volume is large.Current well logging head harness used, design exists certain defect, and head harness sealing effectiveness is bad, uses just need again make connection optical cable after 3 mouthfuls of wells and seal, and has increased and has safeguarded labour intensity and difficulty, and the tensile strength of optical cable junction is low, poor reliability.The utility model takes into full account the transmission of fiber-optic signal and being connected of physical strength in design process, has overcome the defect of existing head harness.
Summary of the invention
The purpose of this utility model is to provide optical fiber downhole television to test special-purpose head harness, it is simple in structure, physical strength is high, good seal performance, stable signal transmission, can be used for the armored optical cable of optical fiber downhole television test and being connected of subsurface equipment, can realize subsurface equipment being reliably lowered in testing string, guarantee the signal transmission of subsurface equipment and uphole equipment.
In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, optical fiber downhole television is tested special-purpose head harness, comprise armored optical cable, connecting cylinder, lower sub, described connecting cylinder is connected with lower sub, described armored optical cable penetrates connecting cylinder inner chamber, described lower sub upper end is provided with binding post, the armored optical cable that penetrates connecting cylinder inner chamber is fastened on the positive wire connecting line of self on binding post, described lower sub has center pit, optical cable pipe core is housed in center pit, described positive wire connecting line is wrapped on optical cable pipe core by binding post, described lower sub upper end and be positioned at binding post upper and lower near position and connecting cylinder cavity wall formation annular space, this annular space is for being wound around combination sealing adhesive tape place, for being wound around combination sealing adhesive tape in binding post position.
Described connecting cylinder inner chamber is also provided with the stationary installation of the steel wire that is used for fixing armored optical cable, described stationary installation comprises and articulates groove and articulate ring, the described circumfili button that articulates is enclosed within the outside that articulates groove, described steel wire penetrates from the bottom to top and articulates ring and articulate the hole between groove, and fixing by articulating ring and articulating groove interaction extruding.
Described optical cable pipe core arranges insulation protective jacket in upper end, and also overlaps and have insulation guide wire outside the optical cable pipe core below binding post, between described optical cable pipe core lower end and lower sub, is provided with insulating protection ring.
Described optical cable pipe core lower port is exposed Cable Core, electrode cable, negative pole cable, and Cable Core is connected with subsurface equipment optical fiber head, and electrode cable and negative pole cable are connected with the both positive and negative polarity of the power supply connector of subsurface equipment respectively.
Connecting cylinder upper end is connected with hawser cap.
Between described hawser cap and connecting cylinder, install the supporting weight section that facilitates subsurface equipment to be lowered to additional.
Compared to prior art, the utlity model has following beneficial effect:
The utility model belongs to the optical fiber downhole television test kit of petroleum industry, in being connected of the subsurface equipment that is mainly used in optical fiber downhole television and armored optical cable.Utilization articulates ring and articulates groove as the mechanical connection mechanism of armored optical cable; utilize combination sealing adhesive tape to be wound insulation and sealing; protection subsurface equipment is avoided entering the liquid such as water in down-hole and is caused instrument damage; utilize Cable Core and service cable to realize power supply and the signal transmission of subsurface equipment, thereby realize the handling of test process subsurface equipment and the transmission of test signal.
The utility model has improved the tensile strength of head harness, makes being lowered to of subsurface equipment more safe and reliable; Adopt combination sealing rubber belt sealing cable connector, good airproof performance, supporting good with home equipment, the maintenance period of head harness is once brought up to every 10 mouthfuls of well servicings once by original every 3 mouthfuls of well servicings, greatly improve test job efficiency, reduced the labour intensity of safeguarding.
Accompanying drawing explanation
Fig. 1 is the structural drawing that optical fiber downhole television of the present utility model is tested special-purpose head harness;
Fig. 2 is the partial enlarged drawing of Fig. 1.
In figure: 1-armored optical cable; 2-hawser cap; 3-connecting cylinder; 4-articulates groove; 5-articulates ring; 6-combination sealing adhesive tape; 7-positive wire connecting line; 8-insulation protective jacket; 9-binding post; The 10-guide wire that insulate; 11-lower sub; 12-optical cable pipe core; 13-insulating protection ring; 14-Cable Core; 15-electrode cable; 16-negative pole cable.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, yet accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
As shown in Figure 1-2, optical fiber downhole television is tested special-purpose head harness, comprise armored optical cable 1, connecting cylinder 3, lower sub 11, described connecting cylinder is connected with lower sub, described armored optical cable penetrates connecting cylinder inner chamber, described lower sub upper end is provided with binding post 9, the armored optical cable that penetrates connecting cylinder inner chamber is fastened on the positive wire connecting line 7 of self on binding post, described lower sub has center pit, optical cable pipe core 12 is housed in center pit, described positive wire connecting line is wrapped on optical cable pipe core by binding post, described lower sub upper end and be positioned at binding post upper and lower near position and connecting cylinder cavity wall formation annular space, this annular space is for being wound around combination sealing adhesive tape place, for being wound around combination sealing adhesive tape 6 in binding post position.Described connecting cylinder inner chamber is also provided with the stationary installation of the steel wire that is used for fixing armored optical cable, described stationary installation comprises articulating groove 4 and articulating encircles 5, the described circumfili button that articulates is enclosed within the outside that articulates groove, described steel wire penetrates from the bottom to top and articulates ring and articulate the hole between groove, and fixing by articulating ring and articulating groove interaction extruding.Described optical cable pipe core arranges insulation protective jacket 8 in upper end, and also overlaps and have insulation guide wire 10 outside the optical cable pipe core below binding post, between described optical cable pipe core lower end and lower sub, is provided with insulating protection ring 13.Described optical cable pipe core lower port is exposed Cable Core 14, electrode cable 15, negative pole cable 16, and Cable Core is connected with subsurface equipment optical fiber head, and electrode cable and negative pole cable are connected with the both positive and negative polarity of the power supply connector of subsurface equipment respectively.Connecting cylinder upper end is connected with hawser cap.Between described hawser cap and connecting cylinder, install the supporting weight section that facilitates subsurface equipment to be lowered to additional.
Between hawser cap 2 and connecting cylinder 3, can add assembly set weight section, facilitate being lowered to of subsurface equipment.Lower sub 11 is connected with the urceolus of subsurface equipment.Insulation protective jacket 8, insulation guide wire 10 and insulating protection ring 13 play insulation protection effect.During assembling, armored optical cable 1 is through hawser cap 2 and connecting cylinder 3, the fixation with steel wire of armored optical cable 1 is being articulated to groove 4 and articulating in ring 5, positive wire connecting line 7 is fixed on binding post 9, positive wire connecting line 7 is wrapped on optical cable pipe core 12, combination sealing adhesive tape shown in the figure 6 places are wound around combination sealing adhesive tape, form insulated enclosure.Optical cable pipe core 12, through insulation guide wire 10, is exposed to Cable Core 14 and is connected with subsurface equipment optical fiber head, and electrode cable 15 and negative pole cable 16 are connected with the both positive and negative polarity of the power supply connector of subsurface equipment respectively.The armored optical cable of realizing test is connected with signal with the machinery of subsurface equipment.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (6)
1. optical fiber downhole television is tested special-purpose head harness, comprise armored optical cable, connecting cylinder, lower sub, described connecting cylinder is connected with lower sub, described armored optical cable penetrates connecting cylinder inner chamber, it is characterized in that, described lower sub upper end is provided with binding post, the armored optical cable that penetrates connecting cylinder inner chamber is fastened on the positive wire connecting line of self on binding post, described lower sub has center pit, optical cable pipe core is housed in center pit, described positive wire connecting line is wrapped on optical cable pipe core by binding post, described lower sub upper end and be positioned at binding post upper and lower near position and connecting cylinder cavity wall formation annular space, this annular space is for being wound around combination sealing adhesive tape place, for being wound around combination sealing adhesive tape in binding post position.
2. optical fiber downhole television according to claim 1 is tested special-purpose head harness, it is characterized in that, described connecting cylinder inner chamber is also provided with the stationary installation of the steel wire that is used for fixing armored optical cable, described stationary installation comprises and articulates groove and articulate ring, the described circumfili button that articulates is enclosed within the outside that articulates groove, described steel wire penetrates from the bottom to top and articulates ring and articulate the hole between groove, and fixing by articulating ring and articulating groove interaction extruding.
3. optical fiber downhole television according to claim 1 is tested special-purpose head harness; it is characterized in that; described optical cable pipe core arranges insulation protective jacket in upper end; and there is insulation guide wire in the outside of the optical cable pipe core below binding post also cover, between described optical cable pipe core lower end and lower sub, is provided with insulating protection ring.
4. optical fiber downhole television according to claim 3 is tested special-purpose head harness, it is characterized in that, described optical cable pipe core lower port is exposed Cable Core, electrode cable, negative pole cable, Cable Core is connected with subsurface equipment optical fiber head, and electrode cable and negative pole cable are connected with the both positive and negative polarity of the power supply connector of subsurface equipment respectively.
5. optical fiber downhole television according to claim 1 is tested special-purpose head harness, it is characterized in that, connecting cylinder upper end is connected with hawser cap.
6. optical fiber downhole television according to claim 5 is tested special-purpose head harness, it is characterized in that, installs the supporting weight section that facilitates subsurface equipment to be lowered between described hawser cap and connecting cylinder additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256145.3U CN203965673U (en) | 2014-05-19 | 2014-05-19 | Optical fiber downhole television is tested special-purpose head harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256145.3U CN203965673U (en) | 2014-05-19 | 2014-05-19 | Optical fiber downhole television is tested special-purpose head harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965673U true CN203965673U (en) | 2014-11-26 |
Family
ID=51926234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256145.3U Expired - Fee Related CN203965673U (en) | 2014-05-19 | 2014-05-19 | Optical fiber downhole television is tested special-purpose head harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042800A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Horizontal well coiled tubing downhole television testing pipe column and testing method |
| CN114325816A (en) * | 2022-03-16 | 2022-04-12 | 山东省科学院激光研究所 | Underground detection device |
-
2014
- 2014-05-19 CN CN201420256145.3U patent/CN203965673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042800A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Horizontal well coiled tubing downhole television testing pipe column and testing method |
| CN114325816A (en) * | 2022-03-16 | 2022-04-12 | 山东省科学院激光研究所 | Underground detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20180519 |