DE2216938C2 - Vorrichtung zur Zentrierung eines Rohrstranges - Google Patents
Vorrichtung zur Zentrierung eines RohrstrangesInfo
- Publication number
- DE2216938C2 DE2216938C2 DE2216938A DE2216938A DE2216938C2 DE 2216938 C2 DE2216938 C2 DE 2216938C2 DE 2216938 A DE2216938 A DE 2216938A DE 2216938 A DE2216938 A DE 2216938A DE 2216938 C2 DE2216938 C2 DE 2216938C2
- Authority
- DE
- Germany
- Prior art keywords
- insulation
- pipe
- centering
- concrete
- hydrocarbons
- 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
- 239000004567 concrete Substances 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 20
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000000638 stimulation Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000002969 artificial stone Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims 6
- 238000000034 method Methods 0.000 claims 5
- 238000010793 Steam injection (oil industry) Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 239000012774 insulation material Substances 0.000 claims 1
- 239000012212 insulator Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- -1 ζ. B. oil Chemical class 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/003—Insulating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2216938A DE2216938C2 (de) | 1972-04-08 | 1972-04-08 | Vorrichtung zur Zentrierung eines Rohrstranges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2216938A DE2216938C2 (de) | 1972-04-08 | 1972-04-08 | Vorrichtung zur Zentrierung eines Rohrstranges |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2216938A1 DE2216938A1 (enrdf_load_stackoverflow) | 1973-03-08 |
| DE2216938B1 DE2216938B1 (de) | 1973-03-08 |
| DE2216938C2 true DE2216938C2 (de) | 1973-09-27 |
Family
ID=5841346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2216938A Expired DE2216938C2 (de) | 1972-04-08 | 1972-04-08 | Vorrichtung zur Zentrierung eines Rohrstranges |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2216938C2 (enrdf_load_stackoverflow) |
-
1972
- 1972-04-08 DE DE2216938A patent/DE2216938C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2216938A1 (enrdf_load_stackoverflow) | 1973-03-08 |
| DE2216938B1 (de) | 1973-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Publication of the examined application without previous publication of unexamined application | ||
| C2 | Grant after previous publication (2nd publication) |