JPH0244210U - - Google Patents
Info
- Publication number
- JPH0244210U JPH0244210U JP16365288U JP16365288U JPH0244210U JP H0244210 U JPH0244210 U JP H0244210U JP 16365288 U JP16365288 U JP 16365288U JP 16365288 U JP16365288 U JP 16365288U JP H0244210 U JPH0244210 U JP H0244210U
- Authority
- JP
- Japan
- Prior art keywords
- sheath
- core wire
- insulating layer
- wound around
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- -1 Polytetrafluoroethylene Polymers 0.000 claims 1
- 239000012210 heat-resistant fiber Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Description
第１図は地熱検層用ケーブルの断面図、第２図
は、地熱高温高圧検層用説明図、第３図及び第４
図は、本考案に係る地熱検層用ケーブルの各実施
例の断面図、第５図は効果確認試験説明図である
。
１……導体、２……絶縁層、３……ガラス編組
、４……絶縁心線、５……介在、６……芯線、７
……シース、７ａ……ＰＴＦＥ焼成テープ、７ｂ
，７ｃ，７ｄ……ＰＴＦＥテープ、８……ステン
レスパイプ、９ａ，９ｂ……ＰＦＡテープ、１０
……ステンレス鋼線巻回外装、Ｂ……プルーブ、
Ｐ……地熱井、ａ……ケーブル。
Figure 1 is a cross-sectional view of the cable for geothermal logging, Figure 2 is an explanatory diagram for geothermal high temperature and high pressure logging, Figures 3 and 4.
The figure is a sectional view of each embodiment of the geothermal logging cable according to the present invention, and FIG. 5 is an explanatory diagram of an effect confirmation test. DESCRIPTION OF SYMBOLS 1... Conductor, 2... Insulating layer, 3... Glass braid, 4... Insulated core wire, 5... Interposition, 6... Core wire, 7
...Sheath, 7a...PTFE firing tape, 7b
, 7c, 7d...PTFE tape, 8...Stainless steel pipe, 9a, 9b...PFA tape, 10
...Stainless steel wire wound exterior, B...Probe,
P...geothermal well, a...cable.
Claims (1)
下、ＰＴＦＥという）テープを巻回、又はＰＴＦ
Ｅを押出成形して絶縁層を形成し、この絶縁層を
焼成して絶縁心線とし、この絶縁心線を複数本、
耐熱繊維からなる介在と共に撚合わせて芯線とし
、この芯線上に、耐熱性プラスチツクテープを巻
回してシースを形成し、このシース上に、ステン
レスパイプを被せてシース断面が縮径前の９５％
〜９０％となるように縮径してなることを特徴と
する地熱検層用ケーブル。 Polytetrafluoroethylene (hereinafter referred to as PTFE) tape is wound around the stranded conductor, or PTF
E is extruded to form an insulating layer, this insulating layer is fired to form an insulated core wire, and a plurality of these insulated core wires are formed.
A core wire is formed by twisting together with an intervening layer of heat-resistant fibers, a heat-resistant plastic tape is wound around the core wire to form a sheath, and a stainless steel pipe is placed over the sheath so that the cross-section of the sheath is 95% of the diameter before reduction.
A geothermal logging cable characterized by being reduced in diameter by ~90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16365288U JPH0548326Y2 (en) | 1988-05-12 | 1988-12-16 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6238688 | 1988-05-12 | ||
| JP16365288U JPH0548326Y2 (en) | 1988-05-12 | 1988-12-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0244210U true JPH0244210U (en) | 1990-03-27 |
| JPH0548326Y2 JPH0548326Y2 (en) | 1993-12-24 |
Family
ID=31718272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16365288U Expired - Lifetime JPH0548326Y2 (en) | 1988-05-12 | 1988-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548326Y2 (en) |
-
1988
- 1988-12-16 JP JP16365288U patent/JPH0548326Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0548326Y2 (en) | 1993-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |