JP2005308201A - 油井鋼管用継手 - Google Patents
油井鋼管用継手 Download PDFInfo
- Publication number
- JP2005308201A JP2005308201A JP2004159078A JP2004159078A JP2005308201A JP 2005308201 A JP2005308201 A JP 2005308201A JP 2004159078 A JP2004159078 A JP 2004159078A JP 2004159078 A JP2004159078 A JP 2004159078A JP 2005308201 A JP2005308201 A JP 2005308201A
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- joint
- male
- pin
- steel pipe
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 239000003129 oil well Substances 0.000 title claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 230000005489 elastic deformation Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 13
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
【解決手段】鋼管の先端側に環状外周面及び引き続き雄ネジを設けた雄部材(ピン)と、この雄部材を内部に収容する空洞を有し、該空洞に前記雄ネジに螺合する雌ネジ、前記雄部材の環状外周面に接触、衝合する環状内周面を有する雌部材(ボックス)とで形成された油井鋼管用継手のシール性を改善した。具体的には、前記雄部材と該雌部材とを連結した際に、前記雄部材の環状外周面と前記雌部材の環状内周面とが互いに弾性変形の範囲内で接触してシール面を形成する。
【選択図】 図1
Description
2 雌部材(ボックス又はカップリング)
3 雄ネジ
4 雄部材(ピン)
5 油井鋼管
6 ニブ部
6´ カップリング又はボックスの平行部
7 カップリング又はボックスのシール部(環状内周面)
8 ピンのシール部(環状外周面)
9 ネジの荷重面
10 ネジの挿入面
11 接触長さ(シール長さ)
13 隙間
14 上方接触部
15 肩部(ショルダ)
Claims (4)
- 鋼管の先端側に環状外周面及び引き続き雄ネジを設けた雄部材(ピン)と、この雄部材を内部に収容する空洞を有し、該空洞に前記雄ネジに螺合する雌ネジ、前記雄部材の環状外周面に接触、衝合する環状内周面を有する雌部材(ボックス)とで形成された油井鋼管用継手において、
前記雄部材と該雌部材とを連結した際に、前記雄部材の環状外周面と前記雌部材の環状内周面とが互いに弾性変形の範囲内で接触してシール面を形成してなることを特徴とする油井鋼管用継手。 - 前記雄部材の環状外周面の曲率半径が、前記雄部材と該雌部材とを連結する前の状態で、該雌部材の環状内周面の曲率半径より小さいことを特徴とする請求項1記載の油井鋼管用継手。
- 前記雄ネジ及び前記雌ネジの荷重面を負のロード・フランク角を有するネジ山で形成してなることを特徴とする請求項1又は2記載の油井鋼管用継手。
- 前記ロード・フランク角を−0.5°〜−25°としたことを特徴とする請求項3記載の油井鋼管用ネジ継手。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004159078A JP4691904B2 (ja) | 2004-03-26 | 2004-05-28 | 油井鋼管用継手 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004091977 | 2004-03-26 | ||
JP2004091977 | 2004-03-26 | ||
JP2004159078A JP4691904B2 (ja) | 2004-03-26 | 2004-05-28 | 油井鋼管用継手 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005308201A true JP2005308201A (ja) | 2005-11-04 |
JP4691904B2 JP4691904B2 (ja) | 2011-06-01 |
Family
ID=35437184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004159078A Expired - Fee Related JP4691904B2 (ja) | 2004-03-26 | 2004-05-28 | 油井鋼管用継手 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4691904B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009235874A (ja) * | 2008-03-28 | 2009-10-15 | Tube Tech 株式会社 | 掘削工具用継手 |
CN101696621B (zh) * | 2009-11-04 | 2012-05-16 | 天津钢管集团股份有限公司 | 气密封螺纹接头 |
WO2014006866A1 (ja) * | 2012-07-04 | 2014-01-09 | Jfeスチール株式会社 | 管のねじ継手 |
JP2014105731A (ja) * | 2012-11-26 | 2014-06-09 | Jfe Steel Corp | 管用ねじ継手 |
KR101616353B1 (ko) | 2014-12-26 | 2016-04-28 | 주식회사 포스코 | 파이프의 연결을 위한 연결 구조체 |
WO2018037781A1 (ja) * | 2016-08-24 | 2018-03-01 | Jfeスチール株式会社 | 油井管用ねじ継手 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211765B2 (ja) * | 1972-03-31 | 1977-04-02 | ||
JPS636291A (ja) * | 1986-06-27 | 1988-01-12 | 日本鋼管株式会社 | 大径ケ−シング用ネジ継手 |
JPH02243897A (ja) * | 1988-10-03 | 1990-09-27 | Dalmine Spa | 気密性金属パイプ継手 |
JPH0541876B2 (ja) * | 1984-06-04 | 1993-06-24 | Kawasaki Steel Co | |
JPH06281061A (ja) * | 1993-03-24 | 1994-10-07 | Sumitomo Metal Ind Ltd | 油井管用ねじ継手 |
JPH10148281A (ja) * | 1996-11-20 | 1998-06-02 | Kawasaki Steel Corp | 鋼管ネジ継手 |
JP2001173850A (ja) * | 1999-12-22 | 2001-06-29 | Kawasaki Steel Corp | 鋼管用継手 |
-
2004
- 2004-05-28 JP JP2004159078A patent/JP4691904B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211765B2 (ja) * | 1972-03-31 | 1977-04-02 | ||
JPH0541876B2 (ja) * | 1984-06-04 | 1993-06-24 | Kawasaki Steel Co | |
JPS636291A (ja) * | 1986-06-27 | 1988-01-12 | 日本鋼管株式会社 | 大径ケ−シング用ネジ継手 |
JPH02243897A (ja) * | 1988-10-03 | 1990-09-27 | Dalmine Spa | 気密性金属パイプ継手 |
JPH06281061A (ja) * | 1993-03-24 | 1994-10-07 | Sumitomo Metal Ind Ltd | 油井管用ねじ継手 |
JPH10148281A (ja) * | 1996-11-20 | 1998-06-02 | Kawasaki Steel Corp | 鋼管ネジ継手 |
JP2001173850A (ja) * | 1999-12-22 | 2001-06-29 | Kawasaki Steel Corp | 鋼管用継手 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009235874A (ja) * | 2008-03-28 | 2009-10-15 | Tube Tech 株式会社 | 掘削工具用継手 |
CN101696621B (zh) * | 2009-11-04 | 2012-05-16 | 天津钢管集团股份有限公司 | 气密封螺纹接头 |
WO2014006866A1 (ja) * | 2012-07-04 | 2014-01-09 | Jfeスチール株式会社 | 管のねじ継手 |
JP2014105731A (ja) * | 2012-11-26 | 2014-06-09 | Jfe Steel Corp | 管用ねじ継手 |
KR101616353B1 (ko) | 2014-12-26 | 2016-04-28 | 주식회사 포스코 | 파이프의 연결을 위한 연결 구조체 |
WO2018037781A1 (ja) * | 2016-08-24 | 2018-03-01 | Jfeスチール株式会社 | 油井管用ねじ継手 |
CN107780852A (zh) * | 2016-08-24 | 2018-03-09 | 杰富意钢铁株式会社 | 油井管用螺纹接头 |
JPWO2018037781A1 (ja) * | 2016-08-24 | 2018-08-30 | Jfeスチール株式会社 | 油井管用ねじ継手 |
EP3505803A4 (en) * | 2016-08-24 | 2019-08-21 | JFE Steel Corporation | THREADED CONNECTING PIECE FOR AN OIL BORE TUBE |
JP2019190665A (ja) * | 2016-08-24 | 2019-10-31 | Jfeスチール株式会社 | 油井管用ねじ継手 |
RU2705783C1 (ru) * | 2016-08-24 | 2019-11-11 | ДжФЕ СТИЛ КОРПОРЕЙШН | Резьбовое соединение для трубных изделий нефтепромыслового сортамента |
AU2017316876B2 (en) * | 2016-08-24 | 2020-02-27 | Jfe Steel Corporation | Threaded joint for oil country tubular goods |
US11255134B2 (en) | 2016-08-24 | 2022-02-22 | Jfe Steel Corporation | Threaded joint for oil country tubular goods |
JP7120179B2 (ja) | 2016-08-24 | 2022-08-17 | Jfeスチール株式会社 | 油井管用ねじ継手 |
Also Published As
Publication number | Publication date |
---|---|
JP4691904B2 (ja) | 2011-06-01 |
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