FR2359274A2 - Propping agents for use in deep wells - comprising granules contg. zirconia and silica - Google Patents
Propping agents for use in deep wells - comprising granules contg. zirconia and silicaInfo
- Publication number
- FR2359274A2 FR2359274A2 FR7623134A FR7623134A FR2359274A2 FR 2359274 A2 FR2359274 A2 FR 2359274A2 FR 7623134 A FR7623134 A FR 7623134A FR 7623134 A FR7623134 A FR 7623134A FR 2359274 A2 FR2359274 A2 FR 2359274A2
- Authority
- FR
- France
- Prior art keywords
- sio2
- deep wells
- ratio
- zro2
- zirconia
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title abstract 8
- 239000000377 silicon dioxide Substances 0.000 title abstract 5
- 239000003795 chemical substances by application Substances 0.000 title abstract 2
- 239000008187 granular material Substances 0.000 title abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract 4
- 235000012239 silicon dioxide Nutrition 0.000 abstract 4
- 229910052682 stishovite Inorganic materials 0.000 abstract 4
- 229910052905 tridymite Inorganic materials 0.000 abstract 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 239000011362 coarse particle Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Dropping agents for use in very deep wells (at depths of >4000 m) comprise granular products contg. ZrO2, SiO2 and opt. Al2O3 and Na2O. The ZrO2 content is =85 wt.%, the ZrO2/SiO2 wt. ratio is >=1.5 (2), the Al2O3/SiO2 wt. ratio is 0-1.5 (pref. 0.1-1), and the Na2O/SiO2 wt. ratio is 0-0.04. When exposed to the high pressures prevailing at great depths (e.g. 400-700 bars) the granules break down into coarse particles which still maintain high permeability, unlike glass beads, which are reduced toa powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7623134A FR2359274A2 (en) | 1976-07-23 | 1976-07-23 | Propping agents for use in deep wells - comprising granules contg. zirconia and silica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7623134A FR2359274A2 (en) | 1976-07-23 | 1976-07-23 | Propping agents for use in deep wells - comprising granules contg. zirconia and silica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2359274A2 true FR2359274A2 (en) | 1978-02-17 |
| FR2359274B2 FR2359274B2 (en) | 1982-07-23 |
Family
ID=9176304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7623134A Granted FR2359274A2 (en) | 1976-07-23 | 1976-07-23 | Propping agents for use in deep wells - comprising granules contg. zirconia and silica |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2359274A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052537A1 (en) * | 1980-11-13 | 1982-05-26 | Societe Europeenne Des Produits Refractaires | Propping agent based upon zirconium oxide and silica for deep geological fractures |
-
1976
- 1976-07-23 FR FR7623134A patent/FR2359274A2/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052537A1 (en) * | 1980-11-13 | 1982-05-26 | Societe Europeenne Des Produits Refractaires | Propping agent based upon zirconium oxide and silica for deep geological fractures |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2359274B2 (en) | 1982-07-23 |
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