SU1240870A1 - Composition for isolating absorbing formation in well-drilling - Google Patents
Composition for isolating absorbing formation in well-drilling Download PDFInfo
- Publication number
- SU1240870A1 SU1240870A1 SU843813953A SU3813953A SU1240870A1 SU 1240870 A1 SU1240870 A1 SU 1240870A1 SU 843813953 A SU843813953 A SU 843813953A SU 3813953 A SU3813953 A SU 3813953A SU 1240870 A1 SU1240870 A1 SU 1240870A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- composition
- well
- drilling
- absorbing formation
- isolating
- Prior art date
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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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
Изобретение относитс к бурению нефт ных и газовых скважин и может быть использовано при борьбе с поглощени ми бурового раствора.The invention relates to the drilling of oil and gas wells and can be used to combat the absorption of drilling mud.
Цель изобретени - повышение- проникающей способности состава с , обеспечением разрушаемости состава в сол ной кислоте.The purpose of the invention is to increase the penetrability of the composition with, ensuring the degradability of the composition in hydrochloric acid.
Штыб вл етс отходом производства и представл ет собой немолотый известн к, образующийс на каменных карьерах при добыче (распиливании) стенового камн .Shtyb is a waste of production and is an unbleached limestone, which is formed on stone pits when mining (sawing) wall stones.
Сущность предлагаемого состава заключаетс в том, что в водный раствор латекса последовательно ввод т глинопорошок, например бентонит (после чего образзпотс крупноразмерные флокулы и раствор становитс практически не прокачиваемьм) и штыб, например порошок CaCO.j (после чего крупноразмерные флокулы моментально расчлен ютс на множество мелкоразмерньпс и раствор становитс практически однородным и хорошо прокачиваемым ) . Кроме того, после затвердени данный состав хорошо разрушаетс в сол ной кислоте, что представл ет возможность восстановлени коллекторских свойств пласта и получени притока пластового флюида (нефть, газ, вода) в скважину путем кислотной обработки в процесс его опробовани .The essence of the proposed composition is that clay powder, for example, bentonite (after which large-sized floccules are formed and the solution becomes practically not pumpable) and shtyb, for example, CaCO.j powder (after which large-sized floccules are instantly subdivided into a plurality small size and the solution becomes almost homogeneous and well pumpable). In addition, after hardening, this composition is well destroyed in hydrochloric acid, which makes it possible to restore the reservoir properties of the reservoir and to obtain the inflow of formation fluid (oil, gas, water) into the well by acid treatment in the process of testing it.
2020
30,030.0
19nineteen
28,528.5
18 27,0 1018 27.0 10
ВЕШИПИ Заказ 3462/25 Тираж 548SHIP Order 3462/25 Circulation 548
Произв.-полигр. пр-тие, г. Ужгород, ул. Проектна , 4Random polygons pr-tie, Uzhgorod, st. Project, 4
408702408702
Эти преимущества объ сн ютс следующим образом: расчленение крупноразмерных флокул на множество мелкоразмерных после введени шты- 5 ба - следствием кальциевой агрессии, а хороша разрушаемость состава - следствием наличи равномерно распределенного в объеме штыба, который ,как известно,активно раствор 0 етс во многих кислотах в том числе и в сол ной.These advantages are explained as follows: the dismemberment of large-sized floccules into many small-sized ones after the introduction of the pin is 5 a consequence of calcium aggression, and the good degradability of the composition is due to the presence of a uniformly distributed in the volume of a pin, which is known to actively dissolve 0 in many acids including in the salt.
Пример. Были проведены опыты по вы влению оптимального компонентного состава дл изол ции пог15 лощающих продуктивных пластов.Example. Experiments were carried out to identify the optimal component composition for isolating absorbent productive formations.
В таблице приведены результаты этих опытов, полученные на основе последовательного добавлени штыба в 28-30%-ный водный раствор латек20 са, в который введено 30% глинопо- рошка.The table shows the results of these experiments, which were obtained on the basis of the sequential addition of the shtyb to a 28-30% aqueous solution of latex, in which 30% clay powder was introduced.
Под разрушаемостью, приведенной в таблице, подразумевалось отношение потери в весе образца после воз5 действи на него 20%-ной сол ной кислотой к его исходному весу, а под прокачиваемостью - способность состава вытекать под действием собственной т жести из воронки с ра0 диусом проходного сечени , равным 5 мм.By destructible, as shown in the table, the weight loss ratio of a sample after exposure to 20% hydrochloric acid to its initial weight was implied, and by pumpability, the composition's ability to flow under its own weight from a funnel with a cross section of flow through, equal to 5 mm.
Как видно из таблиць, к использованию на практике могут быть ре- комендовань составы в опытах № 3-5.As can be seen from the table, the composition in experiments No. 3-5 can be recommended for use in practice.
2727
8383
Не прокачиваетс Not pumped
Плохо прокачиваетс Badly pumped
Хорошо прокачиваетс Well pumped
ПодписноеSubscription
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843813953A SU1240870A1 (en) | 1984-10-15 | 1984-10-15 | Composition for isolating absorbing formation in well-drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843813953A SU1240870A1 (en) | 1984-10-15 | 1984-10-15 | Composition for isolating absorbing formation in well-drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1240870A1 true SU1240870A1 (en) | 1986-06-30 |
Family
ID=21147290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU843813953A SU1240870A1 (en) | 1984-10-15 | 1984-10-15 | Composition for isolating absorbing formation in well-drilling |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1240870A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0875658A3 (en) * | 1997-03-14 | 1999-02-24 | Halliburton Energy Services, Inc. | Water-based compositions for sealing subterranean zones |
| EP0875657A3 (en) * | 1997-03-14 | 1999-05-19 | Halliburton Energy Services, Inc. | Method of sealing subterranean zone |
-
1984
- 1984-10-15 SU SU843813953A patent/SU1240870A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 1078031, кл. Е 21 В 33/138, 1982. Авторское свидетельство СССР 726308, кл. Е 21 В 33/138, 1978. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0875658A3 (en) * | 1997-03-14 | 1999-02-24 | Halliburton Energy Services, Inc. | Water-based compositions for sealing subterranean zones |
| EP0875657A3 (en) * | 1997-03-14 | 1999-05-19 | Halliburton Energy Services, Inc. | Method of sealing subterranean zone |
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