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CN109679606A - Foaming water discharge agent composition and its preparation method and application - Google Patents

Foaming water discharge agent composition and its preparation method and application Download PDF

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Publication number
CN109679606A
CN109679606A CN201710969486.3A CN201710969486A CN109679606A CN 109679606 A CN109679606 A CN 109679606A CN 201710969486 A CN201710969486 A CN 201710969486A CN 109679606 A CN109679606 A CN 109679606A
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China
Prior art keywords
agent composition
discharging agent
foam discharging
foam
long
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CN201710969486.3A
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Chinese (zh)
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CN109679606B (en
Inventor
何秀娟
裘鋆
何良好
李应成
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/584Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/602Compositions for stimulating production by acting on the underground formation containing surfactants
    • C09K8/604Polymeric surfactants
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/92Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
    • C09K8/94Foams
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/10Nanoparticle-containing well treatment fluids

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Detergent Compositions (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

The present invention relates to a kind of high temperature deep well water pumping gas production foam discharging agent compositions and the preparation method and application thereof.Mainly solve the problem of existing high temperature deep well gas well in the process of development hydrops it is excessive cause the gas well underproduction even stop-spraying.The present invention by using in terms of mass fraction including following components: (1) 1 part of alkylamine polyethers;(2) 0.1~50 parts of long-chain polyether nitrogenous compound;(3) 0~10 parts of nano particle;The wherein alkylamine polyethers has general molecular formula shown in formula (I): the long-chain polyether nitrogenous compound, has general molecular formula shown in formula (II): R1For C8~C20Alkyl in any one;The arbitrary number that m, n, p, q are 0~20;R1For C10~C26The technical solution of fat-based preferably resolve the problem, can be used in the water pumping gas production industry of high temperature gas well.

Description

Foaming water discharge agent composition and its preparation method and application
Technical field
The present invention relates to a kind of foaming water discharge agent compositions and its preparation method and application, especially suitable for high temperature deep well.
Background technique
With the reinforcement of gas-field exploitation dynamics, gas field is discharged the critical issue normally produced at gas well is restricted.Foam row Hydromining gas is a kind of drainage gas recovery that recent domestic rapidly develops, simple, easy for construction, at low cost with equipment, Applicable well depth range is big, does not influence the advantages that gas well normally produces.Foaming water discharge is exactly to pass through oil pipe or tubing and casing annular space to well Interior injection foam discharging agent generates the foam with certain stability under the agitation of air-flow.The liquid phase that deposition is slipped in pipe becomes steeping Foam changes the relative density of lower curtate bit stream body in managing, and quantity-produced gas phase displacement foam flows out pit shaft, so that well inner product be discharged Liquid achievees the purpose that water pumping gas production.
The development of foreign countries' foam discharging agent since the eighties of last century sixties, multiselect sulfonate, benzene sulfonate, alkyl phenol are poly- The surfactants such as ethylene oxide ether.Recompounded multielement system is mostly used greatly with foam discharging agent to current water pumping gas production, it is single in order to enhance The stability of foam is usually additionally added the auxiliary agents such as alkali, alcohol, polymer, alkanolamide in formula and forms strengthening foam. US7122509 reports a kind of high temperature foam discharging agent formula, and the Research Thinking neutralized using anionic surfactant plus amine is improved The heat resistance of system.US20120279715 reports the aerated fluid that gas recovery in a kind of gas well increases oil yield, is one Class phosphinylidyne-containing amine group quaternary surfactant has both bubble row and sterilizing function, and hydrophobic chain is to replace naphthalene nucleus, phenyl ring or natural oil Hydrophobic patch in ester, the performance with very strong chlorine-resistant and condensate oil also have good corrosion inhibition.However due to dividing Contain the amide group more sensitive to high temperature in minor structure, thus it is poor to 100 DEG C or more of gas well adaptability.China be from Begin one's study in the year eighties in last century foam drainaging gas cutting process technology, and UT series is that more foam discharging agent is applied in domestic gas field, UT series foaming water discharge agent and associated auxiliary products more than 20 are a at present, are suitble to the UT-11C of middle-deep well, ultradeep well Anti- high salinity 250,000g/L, high temperature are up to 130 DEG C.
Summary of the invention
The first technical problem to be solved by the present invention is that hydrops is excessive in the process of development for existing high temperature deep well gas well, The problem of leading to the gas well underproduction or even stop-spraying, a kind of foam discharging agent composition is provided, especially a kind of high temperature resistant water pumping gas production Foam discharging agent composition, be used for gas well, especially high temperature deep well, can efficiently take liquid, have good heat resistance, frothing capacity and Fluid-carrying capability.
The second technical problem to be solved by the present invention is corresponding to provide a kind of one of and solution above-mentioned technical problem The preparation method of the foam discharging agent composition of high temperature resistant water pumping gas production.
The third technical problem to be solved by the present invention is corresponding to provide a kind of one of and solution above-mentioned technical problem The application method of the foam discharging agent composition of high temperature resistant water pumping gas production.
One of to solve above-mentioned technical problem, The technical solution adopted by the invention is as follows: a kind of foam discharging agent composition, with matter Measure number meter, including following components:
(1) 1 part of alkylamine polyethers;
(2) 0.1~50 parts of long-chain polyether nitrogenous compound;
(3) 0~10 parts of nano particle.
In above-mentioned technical proposal, the general molecular formula of the alkylamine polyethers is preferred are as follows:
Wherein, R1For C8~C20Alkyl in any one;M, n, p, q are independently selected from 0~20 arbitrary number, and m+n >= 1.Further, m+p is preferably 1~5 arbitrary number, and n+q is preferably 5~15 arbitrary number.
In above-mentioned technical proposal, the general molecular formula of the long-chain polyether nitrogenous compound is preferred are as follows:
Wherein, R1For C10~C26Fat-based or C10~C26Aromatic radical;Y=0~20, z=0~60;R4、R5Independent choosing From C1~C5Alkyl, C1~C5Replace alkyl in any one;R6、R7It is independently selected from C1~C5Alkylidene, replace alkylene Any one of base;Y, which is selected from, makes molecule shown in formula (II) be in the anionic group of electroneutral;Further, R1Preferably C10~C20 Alkyl, C10~C20Alkylbenzene, R7Preferably C2H4Or C3H6, z is preferably greater than 0;
In above-mentioned technical proposal, as long as the Y makes general molecular formula (II) to be in the anionic group of electroneutral, such as But Y is not limited and preferably is selected from-COO、-SO3 、-HPO4 At least one of, further preferably-COO、-SO3 In at least It is a kind of.
In above-mentioned technical proposal, the nano particle is preferably nano silica, nanometer calcium carbonate, in nanometer hectorite At least one, more preferably nano silica.
Foam discharging agent composition in the present invention does not have particular/special requirement to water, can be deionized water when preparing, can be with It is the water containing inorganic mineral, and the water containing inorganic mineral can be tap water, oil field stratum water or oilfield injection water.
To solve above-mentioned technical problem two, The technical solution adopted by the invention is as follows: a kind of above-mentioned solution technical problem One of described in technical solution any foam discharging agent composition preparation method, comprising the following steps:
By alkylamine polyethers, long-chain polyether nitrogenous compound and nano particle according to required mass fraction, mixed with water It is even, obtain the water pumping gas production foam discharging agent composition.
To solve above-mentioned technical problem three, The technical solution adopted by the invention is as follows: a kind of above-mentioned solution technical problem One of described in technical solution any foam discharging agent composition application.
In above-mentioned technical proposal, the application has no particular/special requirement, and those skilled in the art can be according to practical application ring Border, to foam discharging agent composition of the present invention carry out using, such as but do not limit well temperature in the application and may be up to 180 DEG C, this Invention foam discharging agent still has good application performance.
Key active ingredient alkylamine polyethers, the long-chain polyether nitrogenous compound of foam discharging agent of the present invention, those skilled in the art Member knows, for the ease of transporting and storing or scene uses etc. considers, can use various supply forms, such as not aqueous Solid-state form perhaps aqueous solid-state form perhaps aqueous cream form or aqueous solution form;Aqueous solution form packet Include the form that concentrate is made into water, the foam discharging agent form of concentration needed for being directly made into the live displacement of reservoir oil;Wherein, not special to water It is required that can be deionized water, can also be the water containing inorganic mineral, and the water containing inorganic mineral can be tap water, Oil gas field water flooding or oil gas field inject water.
Foam discharging agent composition of the present invention has good compatibility, can also contain other inorganic agents commonly used in the art, Such as surfactant, polymer, the oil recoveries auxiliary agent such as alkali.
The thermal decomposition temperature of alkylamine polyethers and long-chain polyether nitrogenous compound is 200 in foam discharging agent composition of the invention DEG C, it does not hydrolyze in aqueous solution;Secondly, containing multiple hydrophilic radicals in composition simultaneously, more hydrophilic groups carry foaming agent Combination water and irreducible water amount increase, foam carrier amount enhancing, analysis liquid slow down, make it possible to the high temperature applied to 180 DEG C During deep-well water pumping gas production.
Using technical solution of the present invention, according to SY/T 6465-2000 " foam drainage gas recovery foaming agent evaluation method " Foaming properties test is carried out to the foam discharging agent, foam height is greater than 140mm, and liquid carry over is greater than 140mL, 180 DEG C of high temperature ageings For 24 hours, foam foam height and drainage performance change rate have good heatproof, frothing capacity and fluid-carrying capability, take less than 5% Obtained preferable technical effect.
Below by embodiment, the present invention is further elaborated.
Detailed description of the invention
Fig. 1 show liquid carry over measurement device (jacketed vessel height is 1 meter).
Specific embodiment
In order to better understand the present invention, the content that the present invention is further explained with reference to embodiments, but it is of the invention Content is not limited solely to the following examples.
[embodiment 1]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF- 1.Component structure is as shown in table 1.
[embodiment 2]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:10:5 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF- 2.Component structure is as shown in table 1.
[embodiment 3]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:0.2:0.5 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-3.Component structure is as shown in table 1.
[embodiment 4]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:1:0.1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-4.Component structure is as shown in table 1.
[embodiment 5]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:0.5:0.5 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-5.Component structure is as shown in table 1.
[embodiment 6]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-6 Component structure such as table 1 shows.
[embodiment 7]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:3:0.5 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-7.Component structure is as shown in table 1.
[embodiment 8]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:50:10 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-8.Component structure is as shown in table 1.
[embodiment 9]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF- 9.Component structure is as shown in table 1.
[embodiment 10]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF- 10.Component structure is as shown in table 1.
[embodiment 11]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio Sodium-chloride water solution of the 1:2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF- 11.Component structure is as shown in table 1.
[embodiment 12]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nanometer calcium carbonate is according to mass ratio 1: Sodium-chloride water solution of the 2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-12. Component structure is as shown in table 1.
[embodiment 13]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed, nanometer hectorite is according to mass ratio 1: Sodium-chloride water solution of the 2:1 in 100,000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-13. Component structure is as shown in table 1.
[embodiment 14]
At normal temperatures and pressures, alkylamine polyethers, long-chain polyether nitrogenous compound are weighed according to mass ratio 1:2 100, The sodium-chloride water solution of 000mg/L dissolves, and is configured to the solution of 1.0wt% to get foam discharging agent composition HF-14.Component structure As shown in table 1.
[embodiment 15]
Referring to SY/T 6465-2000 " foam drainage gas recovery foaming agent evaluation method " standard, the starting of foam discharging agent is measured Foaming height, after five minutes foam height, the results are shown in Table shown in 2.
The nitrogen of 4000mL/min is continuously passed through foam discharging agent aqueous solution, measures foam carrier amount in 15 minutes, knot Fruit is shown in Table 2.The liquid carry over measurement device of use is as shown in Figure 1.
It is tested using the acidproof aging equipment of pressure resistance, after 180 DEG C of agings for 24 hours, redeterminates starting foaming height, 5 points The performances such as foaming height and 15 minutes liquid carry overs, the results are shown in Table shown in 2 after clock.
[comparative example 1]
The alkylamine polyethers and nano silica in [embodiment 1-5] are used, long-chain polyether nitrogenous compound is added without It is prepared into foam discharging agent composition, with the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 points Foam carrier amount in clock time, the results are shown in Table shown in 3.
[comparative example 2]
The long-chain polyether nitrogenous compound and nano silica in [embodiment 1-6] are used, alkylamine polyethers is added without It is prepared into foam discharging agent composition, with the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 points Foam carrier amount in clock time, the results are shown in Table shown in 4.
[comparative example 3]
Using dodecyldimethylamine base glycine betaine and cetylamine polyoxypropylene (2) polyoxyethylene (12) ether according to mass ratio 1: 2, it is prepared into foam discharging agent composition, with the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 Foam carrier amount in minutes, the results are shown in Table shown in 5.
Composition component structure in 1 embodiment of table
The foaming properties of foam discharging agent composition in 2 embodiment of table
The foaming properties of foam discharging agent composition in 3 comparative example 1 of table
The foaming properties of foam discharging agent composition in 4 comparative example 2 of table
The foaming properties of foam discharging agent composition in 5 comparative example 3 of table

Claims (10)

1. a kind of foam discharging agent composition, in terms of mass fraction, including following components:
(1) 1 part of alkylamine polyethers;
(2) 0.1~50 parts of long-chain polyether nitrogenous compound;
(3) 0~10 parts of nano particle.
2. foam discharging agent composition according to claim 1, it is characterised in that the general molecular formula of the alkylamine polyethers are as follows:
Wherein, R1For C8~C20Alkyl in any one;M, n, p, q are respectively and independently selected from 0~20 arbitrary number, m+n >=1.
3. foam discharging agent composition according to claim 2, it is characterised in that the m+p be 1~5 arbitrary number, n+q be 5~ 15 arbitrary number.
4. foam discharging agent composition according to claim 1, it is characterised in that the molecule of the long-chain polyether nitrogenous compound is logical Formula are as follows:
Wherein, the R1For C10~C26Fat-based or C10~C26Aromatic radical;Y=0~20, z=0~60;R4、R5Independent choosing From C1~C5Alkyl, C1~C5Replace alkyl in any one;R6、R7It is independently selected from C1~C5Alkylidene, C1~C5's Any one of substituted alkylene;Y, which is selected from, makes molecule shown in formula (II) be in the anionic group of electroneutral.
5. foam discharging agent composition according to claim 4, it is characterised in that the R1For C10~C20Alkyl, C10~C20's Alkylbenzene, R7For C2H4Or C3H6
6. foam discharging agent composition according to claim 4, it is characterised in that the z is greater than 0.
7. foam discharging agent composition according to claim 1, it is characterised in that the nano particle is nano silica, receives At least one of rice calcium carbonate, nanometer hectorite.
8. foam discharging agent composition according to claim 1, it is characterised in that the nano particle is nano silica.
9. a kind of preparation method of any foam discharging agent composition of claim 1-8, comprising the following steps: gather alkylamine Ether, long-chain polyether nitrogenous compound and nano particle are uniformly mixed according to required mass fraction with water, obtain the water pumping gas production With foam discharging agent composition.
10. a kind of application of any foam discharging agent composition of claim 1-8.
CN201710969486.3A 2017-10-18 2017-10-18 Foam drainage agent composition and preparation method and application thereof Active CN109679606B (en)

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