GB799029A - Improvements in or relating to tapering pin-and-box type threaded couplings - Google Patents
Improvements in or relating to tapering pin-and-box type threaded couplingsInfo
- Publication number
- GB799029A GB799029A GB32955/56A GB3295556A GB799029A GB 799029 A GB799029 A GB 799029A GB 32955/56 A GB32955/56 A GB 32955/56A GB 3295556 A GB3295556 A GB 3295556A GB 799029 A GB799029 A GB 799029A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pin
- line
- box
- screw
- thread
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 title abstract 5
- 238000010168 coupling process Methods 0.000 title abstract 5
- 238000005859 coupling reaction Methods 0.000 title abstract 5
- 238000005553 drilling Methods 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
-
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
799,029. Rod couplings. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. Oct. 29, 1956 [Oct. 31, 1955], No. 32955/56. Class 99(1). [Also in Group XXIV] In a pin-and-box coupling for a well-drilling string or drill casing, and in any section thereof containing the longitudinal axis of the coupling, a line 10 between the tip 6 of the extreme turn at one end of the screw-thread on the pin 1 and a point 11 on the longitudinal axis 3 of the coupling at which that axis is intersected by a line 9 which is an extension of the extreme inner flank 8 at the other end of the screw-thread on the pin, makes an angle of not more than 2 degrees with a line that is an extension of the extreme inner flank 7 at the said one end of the screw-thread on the pin. As shown, the pin and box are provided with tapered screw-threads and the line that is an extension of the flank 7 is coincident with the line 9. To engage the screwthreads the box is heated and shrunk on to the pin, or the pin is cooled and then allowed to expand in the box. Specifications 786,652 and 799,028 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL799029X | 1955-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB799029A true GB799029A (en) | 1958-07-30 |
Family
ID=19834593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32955/56A Expired GB799029A (en) | 1955-10-31 | 1956-10-29 | Improvements in or relating to tapering pin-and-box type threaded couplings |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB799029A (en) |
-
1956
- 1956-10-29 GB GB32955/56A patent/GB799029A/en not_active Expired
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