CN105331342A - Tamponade liquid for well completion and cementation and preparation method thereof - Google Patents
Tamponade liquid for well completion and cementation and preparation method thereof Download PDFInfo
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- CN105331342A CN105331342A CN201510878008.2A CN201510878008A CN105331342A CN 105331342 A CN105331342 A CN 105331342A CN 201510878008 A CN201510878008 A CN 201510878008A CN 105331342 A CN105331342 A CN 105331342A
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- tamponade liquid
- tamponade
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- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
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- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
Abstract
The invention relates to the technical field of tamponade liquid for well completion and cementation, in particular to tamponade liquid for well completion and cementation and a preparation method thereof. The tamponade liquid for well completion and cementation is prepared from, by weight, 1.0-3.0 parts of carboxymethylcellulose, 0.5-1.5 parts of sulfonated tannin, 0.5-1.0 part of xanthan gum, 0.2-0.5 part of sodium gluconate, 0.3-0.6 part of tartaric acid and 100 parts of water. The tamponade liquid for well completion and cementation is good in stability at the high temperature of 80 DEG C to 120 DEG C, and has certain viscosity and shearing force, meanwhile, the phenomenon of high-temperature viscosity reduction or high-temperature thickening is avoided in the well cementation coagulating waiting process, an electrical logging cannot meet resistance, and the solid phase suspension need of drilling fluid with barite as main weighting materials on site can be met.
Description
Technical field
the present invention relates to solid completion tamponade liquid technical field, is a kind of solid completion tamponade liquid (i.e. GJ-100 tamponade liquid) and preparation method thereof.
Background technology
along with the continuous increase of the quantity of deep-well and adjust well, the hole structure of Partial Block also there occurs change, and drilling fluid system constantly introduces new treatment agent, and after oil gas well cementing operation, during electrical measurement cementing quality, it is a difficult problem that Electrical Measuring Instrument is hampered always.The major cause causing Electrical Measuring Instrument to be hampered is, due to the bruising plug top precipitation of the solid phase particles such as the drilling cuttings in drilling fluid in sand string, compacting or can pollute drilling fluid due to residual a small amount of grout on casing wall during well cementation, cause the viscosity of drilling fluid, shear force to raise to cause.Effect is good at low temperatures for tamponade liquid used at present, but at high temperature can there is viscosity reduction or thickening behavior in (80 DEG C to 120 DEG C), and good consistency, suspension are not had for the drilling fluid system introducing new treatment agent, can not meet cementing operation needs.Therefore technique needs to select that a kind of compatibleness is good, water resistant sludge-polluted ability is strong, there is certain viscosity, shear force, simultaneously in well cementation Hou Ning process, there is not high temperature viscosity reduction or high-temperature thickening, make it meet needs of cementing operations, effectively solve Electrical Measuring Instrument and to be hampered the tamponade liquid of problem.
Summary of the invention
the invention provides a kind of solid completion tamponade liquid and preparation method thereof, overcome the deficiency of above-mentioned prior art, it effectively can solve existing tamponade liquid at high temperature can there is viscosity reduction or thickening behavior, easily causes Electrical Measuring Instrument to be hampered, can not meet the problem of cementing operation needs.
one of technical scheme of the present invention is realized by following measures: a kind of solid completion tamponade liquid, raw materials by weight portion contains carboxymethyl cellulose 1.0 parts to 3.0 parts, sulfonation tannin 0.5 part to 1.5 parts, xanthan gum 0.5 part to 1.0 parts, Sunmorl N 60S 0.2 part to 0.5 part, 0.3 part to 0.6 part, tartrate, 100 parts, water.
here is the further optimization and/or improvements to one of foregoing invention technical scheme:
above-mentioned solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 1.5 parts to 2.5 parts, sulfonation tannin 0.8 part to 1.2 parts, xanthan gum 0.7 part to 0.9 part, Sunmorl N 60S 0.3 part to 0.4 part, 0.4 part to 0.55 part, tartrate, 100 parts, water.
above-mentioned solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 2 parts, sulfonation tannin 1 part, xanthan gum 0.8 part, Sunmorl N 60S 0.35 part, 0.5 part, tartrate, 100 parts, water.
above-mentioned solid completion tamponade liquid obtains as follows: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
two of technical scheme of the present invention is realized by following measures: a kind of preparation method of solid completion tamponade liquid, carry out as follows: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
the solid completion tamponade liquid of the present invention is good at high temperature 80 DEG C to 120 DEG C stability inferiors, have certain viscosity, shear force, in well cementation Hou Ning process, there is not high temperature viscosity reduction or high-temperature thickening phenomenon simultaneously, Electrical Measuring Instrument can not be caused to be hampered, the mud solid phase suspension needs that scene take barite as main high-density weighting material can be met.
Embodiment
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and practical situation.
embodiment 1, this solid completion tamponade liquid, raw materials by weight portion contains carboxymethyl cellulose 1.0 parts to 3.0 parts, sulfonation tannin 0.5 part to 1.5 parts, xanthan gum 0.5 part to 1.0 parts, Sunmorl N 60S 0.2 part to 0.5 part, 0.3 part to 0.6 part, tartrate, 100 parts, water.It is composite that the present invention adopts Industrial products to carry out; wherein carboxymethyl cellulose is white flock fiber dust, and sulfonation tannin is Chemicals, xanthan gum be light yellow to white can flowing powder; Sunmorl N 60S is white crystals particle or powder, and tartrate is white crystalline powder.
embodiment 2, this solid completion tamponade liquid, raw materials by weight portion contains carboxymethyl cellulose 1.0 parts or 3.0 parts, sulfonation tannin 0.5 part or 1.5 parts, xanthan gum 0.5 part or 1.0 parts, Sunmorl N 60S 0.2 part or 0.5 part, 0.3 part, tartrate or 0.6 part, 100 parts, water.
embodiment 3, as the optimization of above-described embodiment, this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 1.5 parts to 2.5 parts, sulfonation tannin 0.8 part to 1.2 parts, xanthan gum 0.7 part to 0.9 part, Sunmorl N 60S 0.3 part to 0.4 part, 0.4 part to 0.55 part, tartrate, 100 parts, water.
embodiment 4, as the optimization of above-described embodiment, this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 2 parts, sulfonation tannin 1 part, xanthan gum 0.8 part, Sunmorl N 60S 0.35 part, 0.5 part, tartrate, 100 parts, water.
embodiment 5, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
embodiment 6, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid; Wherein: this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 1.3 parts, sulfonation tannin 1.5 parts, xanthan gum 0.7 part, Sunmorl N 60S 0.2 part, 0.3 part, tartrate, 100 parts, water.
viscosity and shear force: the solid completion tamponade liquid viscosity at normal temperatures that the present embodiment obtains is 101mPa.s, and the viscosity at high temperature 80 DEG C is 90mPa.s, and the viscosity at high temperature 112 DEG C is 89mPa.s; Ingressing at normal temperatures/egress is 15/32Pa, and ingressing at high temperature 80 DEG C/egress is 13/30Pa, and ingressing at high temperature 112 DEG C/egress is 12/29Pa; Solid completion tamponade liquid that the present embodiment obtains viscosity being at high temperature described and ingress/egress obviously do not reduce.
suspension stability: the solid completion tamponade liquid that the present embodiment obtains adds barite high-density weighting material 400g and mixes in 500g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is less than 0.03g/cm
3
, without obvious sedimentation phenomenon; Illustrate that the solid completion tamponade liquid that the present embodiment obtains at high temperature has very strong suspension property.
embodiment 7, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid; Wherein: this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 2.8 parts, sulfonation tannin 0.6 part, xanthan gum 0.9 part, Sunmorl N 60S 0.5 part, 0.6 part, tartrate, 100 parts, water.
viscosity and shear force: the solid completion tamponade liquid viscosity at normal temperatures that the present embodiment obtains is 102mPa.s, and the viscosity at high temperature 83 DEG C is 91mPa.s, and the viscosity at high temperature 115 DEG C is 89mPa.s; Ingressing at normal temperatures/egress is 15/32Pa, and ingressing at high temperature 83 DEG C/egress is 13/29Pa, and ingressing at high temperature 115 DEG C/egress is 11/28Pa; Solid completion tamponade liquid that the present embodiment obtains viscosity being at high temperature described and ingress/egress obviously do not reduce.
suspension stability: the solid completion tamponade liquid that the present embodiment obtains adds barite high-density weighting material 600g and mixes in 500g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is less than 0.03g/cm
3
, without obvious sedimentation phenomenon; Illustrate that the solid completion tamponade liquid that the present embodiment obtains at high temperature has very strong suspension property.
embodiment 8, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid; Wherein: this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 1.7 parts, sulfonation tannin 1.0 parts, xanthan gum 0.7 part, Sunmorl N 60S 0.3 part, 0.55 part, tartrate, 100 parts, water.
viscosity and shear force: the solid completion tamponade liquid viscosity at normal temperatures that the present embodiment obtains is 102mPa.s, and the viscosity at high temperature 85 DEG C is 92mPa.s, and the viscosity at high temperature 118 DEG C is 89mPa.s; Ingressing at normal temperatures/egress is 15/32Pa, and ingressing at high temperature 85 DEG C/egress is 14/29Pa, and ingressing at high temperature 118 DEG C/egress is 13/29Pa; Solid completion tamponade liquid that the present embodiment obtains viscosity being at high temperature described and ingress/egress obviously do not reduce.
suspension stability: the solid completion tamponade liquid that the present embodiment obtains adds barite high-density weighting material 650g and mixes in 500g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is less than 0.03g/cm
3
, without obvious sedimentation phenomenon; Illustrate that the solid completion tamponade liquid that the present embodiment obtains at high temperature has very strong suspension property.
embodiment 9, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid; Wherein: this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 2.4 parts, sulfonation tannin 0.9 part, xanthan gum 0.9 part, Sunmorl N 60S 0.4 part, 0.4 part, tartrate, 100 parts, water.
viscosity and shear force: the solid completion tamponade liquid viscosity at normal temperatures that the present embodiment obtains is 102mPa.s, and the viscosity at high temperature 88 DEG C is 92mPa.s, and the viscosity at high temperature 118 DEG C is 90mPa.s; Ingressing at normal temperatures/egress is 15/32Pa, and ingressing at high temperature 118 DEG C/egress is 13/28Pa, and ingressing at high temperature 118 DEG C/egress is 12/27Pa; Solid completion tamponade liquid that the present embodiment obtains viscosity being at high temperature described and ingress/egress obviously do not reduce.
suspension stability: the solid completion tamponade liquid that the present embodiment obtains adds barite high-density weighting material 680g and mixes in 500g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is less than 0.03g/cm
3
, without obvious sedimentation phenomenon; Illustrate that the solid completion tamponade liquid that the present embodiment obtains at high temperature has very strong suspension property.
embodiment 10, this solid completion tamponade liquid obtains by following preparation method: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid; Wherein: this solid completion tamponade liquid raw materials by weight portion contains carboxymethyl cellulose 2 parts, sulfonation tannin 1 part, xanthan gum 0.8 part, Sunmorl N 60S 0.35 part, 0.5 part, tartrate, 100 parts, water.
viscosity and shear force: the solid completion tamponade liquid viscosity at normal temperatures that the present embodiment obtains is 102mPa.s, and the viscosity at high temperature 90 DEG C is 93mPa.s, and the viscosity under high temperature of 120 DEG C is 91mPa.s; Ingressing at normal temperatures/egress is 15/32Pa, and ingressing at high temperature 90 DEG C/egress is 14/30Pa, and ingressing at high temperature 118 DEG C/egress is 13/29Pa; Solid completion tamponade liquid that the present embodiment obtains viscosity being at high temperature described and ingress/egress obviously do not reduce.
suspension stability: the solid completion tamponade liquid that the present embodiment obtains adds barite high-density weighting material 720g and mixes in 500g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is for being less than 0.03g/cm
3
, without obvious sedimentation phenomenon; Illustrate that the solid completion tamponade liquid that the present embodiment obtains at high temperature has very strong suspension property.
existing tamponade liquid viscosity is at normal temperatures 105mPa.s, be 78mPa.s at high temperature 80 DEG C to the average viscosity at 120 DEG C, ingressing at normal temperatures/egress is 15/32Pa, high temperature 80 DEG C on average ingressing at 120 DEG C/egress is 7/18Pa, illustrate existing tamponade liquid high temperature 80 DEG C to the viscosity at 120 DEG C with ingress/egress reduces obviously; In existing tamponade liquid, add barite high-density weighting material 375g to 720g, at temperature is 120 DEG C, leave standstill 120h, difference of densities is 0.03g/cm
3
to 0.1g/cm
3
, sedimentation phenomenon is obvious, illustrates that existing tamponade liquid suspension property is at high temperature poor.
in sum, the solid completion tamponade liquid (i.e. GJ-100 tamponade liquid) of the present invention is good at high temperature 80 DEG C to 120 DEG C stability inferiors, have certain viscosity, shear force, in well cementation Hou Ning process, there is not high temperature viscosity reduction or high-temperature thickening phenomenon simultaneously, Electrical Measuring Instrument can not be caused to be hampered, the mud solid phase suspension needs that scene take barite as main high-density weighting material can be met.
above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (6)
1. a solid completion tamponade liquid, is characterized in that raw materials by weight portion contains carboxymethyl cellulose 1.0 parts to 3.0 parts, sulfonation tannin 0.5 part to 1.5 parts, xanthan gum 0.5 part to 1.0 parts, Sunmorl N 60S 0.2 part to 0.5 part, 0.3 part to 0.6 part, tartrate, 100 parts, water.
2. solid completion tamponade liquid according to claim 2, is characterized in that raw materials by weight portion contains carboxymethyl cellulose 1.5 parts to 2.5 parts, sulfonation tannin 0.8 part to 1.2 parts, xanthan gum 0.7 part to 0.9 part, Sunmorl N 60S 0.3 part to 0.4 part, 0.4 part to 0.55 part, tartrate, 100 parts, water.
3. solid completion tamponade liquid according to claim 1 and 2, is characterized in that raw materials by weight portion contains carboxymethyl cellulose 2 parts, sulfonation tannin 1 part, xanthan gum 0.8 part, Sunmorl N 60S 0.35 part, 0.5 part, tartrate, 100 parts, water.
4. solid completion tamponade liquid according to claim 1 and 2, it is characterized in that obtaining as follows: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
5. solid completion tamponade liquid according to claim 3, it is characterized in that obtaining as follows: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
6. the preparation method of the solid completion tamponade liquid according to claim 1 or 2 or 3, it is characterized in that carrying out as follows: the carboxymethyl cellulose of aequum, sulfonation tannin, xanthan gum, Sunmorl N 60S and tartrate are joined after mixing in the water of aequum, obtain solid completion tamponade liquid.
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| CN201510878008.2A CN105331342B (en) | 2015-12-04 | 2015-12-04 | Gu completion tamponade liquid and preparation method thereof |
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| CN201510878008.2A CN105331342B (en) | 2015-12-04 | 2015-12-04 | Gu completion tamponade liquid and preparation method thereof |
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| CN105331342B CN105331342B (en) | 2018-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113355070A (en) * | 2021-07-13 | 2021-09-07 | 中石化石油工程技术服务有限公司 | High-temperature-resistant plug pressing fluid for well cementation of oil and gas well and preparation method thereof |
| CN114479794A (en) * | 2022-03-31 | 2022-05-13 | 青州市春晖科技发展有限公司 | Well cementation tamponade fluid and preparation method thereof |
| CN114755368A (en) * | 2022-04-21 | 2022-07-15 | 青州市春晖科技发展有限公司 | Evaluation method for well cementation tamponade fluid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113355070A (en) * | 2021-07-13 | 2021-09-07 | 中石化石油工程技术服务有限公司 | High-temperature-resistant plug pressing fluid for well cementation of oil and gas well and preparation method thereof |
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| CN114479794A (en) * | 2022-03-31 | 2022-05-13 | 青州市春晖科技发展有限公司 | Well cementation tamponade fluid and preparation method thereof |
| CN114479794B (en) * | 2022-03-31 | 2022-07-05 | 青州市春晖科技发展有限公司 | Well cementation tamponade fluid and preparation method thereof |
| CN114755368A (en) * | 2022-04-21 | 2022-07-15 | 青州市春晖科技发展有限公司 | Evaluation method for well cementation tamponade fluid |
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