AU6144994A - Dual body drillpipe for use in so-called counterflush drilling methods - Google Patents
Dual body drillpipe for use in so-called counterflush drilling methodsInfo
- Publication number
- AU6144994A AU6144994A AU61449/94A AU6144994A AU6144994A AU 6144994 A AU6144994 A AU 6144994A AU 61449/94 A AU61449/94 A AU 61449/94A AU 6144994 A AU6144994 A AU 6144994A AU 6144994 A AU6144994 A AU 6144994A
- Authority
- AU
- Australia
- Prior art keywords
- drillpipe
- called
- drilling methods
- dual body
- counterflush drilling
- 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.)
- Abandoned
Links
- 238000005553 drilling Methods 0.000 title 1
- 230000009977 dual effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9302626 | 1993-03-03 | ||
FR9302626A FR2702241B1 (en) | 1993-03-03 | 1993-03-03 | Double body drill pipe intended to be used in so-called "reverse circulation" drilling modes. |
PCT/FR1994/000233 WO1994020726A1 (en) | 1993-03-03 | 1994-03-03 | Dual body drillpipe for use in so-called counterflush drilling methods |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6144994A true AU6144994A (en) | 1994-09-26 |
Family
ID=9444730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU61449/94A Abandoned AU6144994A (en) | 1993-03-03 | 1994-03-03 | Dual body drillpipe for use in so-called counterflush drilling methods |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6144994A (en) |
FR (1) | FR2702241B1 (en) |
WO (1) | WO1994020726A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPM589694A0 (en) * | 1994-05-27 | 1994-06-23 | Braumann, Eric Clifford | Drilling apparatus |
AU682966B2 (en) * | 1994-05-27 | 1997-10-23 | Eric Clifford Braumann | Drilling apparatus |
AUPP650098A0 (en) * | 1998-10-14 | 1998-11-05 | Rear, Ian Graeme | Reverse circulation drill rod |
JP4014349B2 (en) * | 2000-02-24 | 2007-11-28 | カルソニックカンセイ株式会社 | Double pipe fittings |
DE10110399C1 (en) * | 2001-03-03 | 2002-07-25 | Tracto Technik | Rod used in a drilling device, for producing holes in the ground using a rotating and feed drive, comprises several pipe sections joined together so that they cannot rotate and tensioned by a tension rod arranged inside the pipe sections |
EP2279357B1 (en) | 2008-04-24 | 2015-09-09 | National Oilwell Varco, L.P. | Torque member for threaded connections |
CN103124829B (en) | 2010-07-07 | 2015-08-26 | 国民油井华高有限公司 | The screw thread coupling that moment of torsion increases |
US9638362B2 (en) | 2014-05-02 | 2017-05-02 | National Oilwell Varco, L.P. | Threaded connections with an adjustable secondary shoulder |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB328629A (en) * | 1929-01-30 | 1930-04-30 | William Richard Macdonald | Improvements in or relating to deep drilling apparatus |
US2537605A (en) * | 1947-08-07 | 1951-01-09 | Standard Oil Dev Co | Drilling bore holes |
US2849213A (en) * | 1953-11-12 | 1958-08-26 | George E Failing Company | Apparatus for circulating drilling fluid in rotary drilling |
FR1403800A (en) * | 1964-05-13 | 1965-06-25 | Creusot Forges Ateliers | Drill pipe assembly device |
BE795817A (en) * | 1972-02-25 | 1973-06-18 | Demarok Int Ltd | DRILLING EQUIPMENT AND ADAPTER FOR IT |
FR2324857A1 (en) * | 1975-09-19 | 1977-04-15 | Foraco Forage Rationnel Const | DRILL CROWN FITTING AND REVERSE CIRCULATION IMPLEMENTATION METHOD |
AT346791B (en) * | 1976-12-29 | 1978-11-27 | Aufschlaeger Kg Ferd | PIPE CONNECTION FOR A DOUBLE PIPE DRILL ROD |
US4100981A (en) * | 1977-02-04 | 1978-07-18 | Chaffin John D | Earth boring apparatus for geological drilling and coring |
FR2452583A1 (en) * | 1979-03-30 | 1980-10-24 | Foraco Forage Rationnel Const | Drilling system incorporating inverse mud circulation - comprises raising debris-laden mud to surface by depression created in upper part of train of rods by air injection |
US5070951A (en) * | 1990-08-24 | 1991-12-10 | Wrhen Wilmer C | Drill for water wells |
-
1993
- 1993-03-03 FR FR9302626A patent/FR2702241B1/en not_active Expired - Fee Related
-
1994
- 1994-03-03 WO PCT/FR1994/000233 patent/WO1994020726A1/en active Application Filing
- 1994-03-03 AU AU61449/94A patent/AU6144994A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2702241A1 (en) | 1994-09-09 |
WO1994020726A1 (en) | 1994-09-15 |
FR2702241B1 (en) | 1995-06-02 |
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