阅读说明：本技术 一种非酸性稠油降粘解堵剂及其制备方法 (Non-acidic thick oil viscosity-reducing blocking remover and preparation method thereof ) 是由 潘志华 李继峰 刘晓东 李欣海 李旭光 于 2021-06-11 设计创作，主要内容包括：本发明涉及稠油降粘解堵技术领域,且公开了一种非酸性稠油降粘解堵剂,包括以下重量份数配比的配方：稠油分层剂10-15份、催化剂15-20份、相容剂5-10份、溶蚀硅质盐5-10份、生酸剂5-10份、渗透剂15-20份、离子稳定剂8-9份、缓蚀剂15-20份、水30-40份。该一种非酸性稠油降粘解堵剂,可有效降低稠油井内部稠油粘稠粘度过大而导致稠油井的内部堵塞现象,同时本降粘解堵剂为中性溶剂,不具备腐蚀酸性,在进行稠油降粘解堵时,不对稠油井造成腐蚀伤害,同时本降粘解堵剂为无害溶剂,符合现代化环保要求,减少稠油井的堵塞现象,避免了多次进行施工,提高了石油开采的效率,也减少了施工解堵的成本。(The invention relates to the technical field of viscosity reduction and blockage removal of thick oil, and discloses a non-acidic viscosity reduction and blockage removal agent for thick oil, which comprises the following formula in parts by weight: 10-15 parts of thick oil layering agent, 15-20 parts of catalyst, 5-10 parts of compatilizer, 5-10 parts of corrosion siliceous salt, 5-10 parts of acid generating agent, 15-20 parts of penetrating agent, 8-9 parts of ionic stabilizer, 15-20 parts of corrosion inhibitor and 30-40 parts of water. This non-acid viscous crude viscosity reduction deblocking agent can effectively reduce the inside viscous crude of viscous crude well and glue the too big inside blocking phenomenon that leads to the viscous crude well, and this viscosity reduction deblocking agent is neutral solvent simultaneously, does not possess and corrodes the acidity, when carrying out viscous crude viscosity reduction deblocking, does not cause the corruption injury to the viscous crude well, and this viscosity reduction deblocking agent is harmless solvent simultaneously, accords with modernized environmental protection requirement, reduces the blocking phenomenon of viscous crude well, has avoided being under construction many times, has improved the efficiency of oil development, has also reduced the cost of construction deblocking.)

1. The non-acidic thick oil viscosity reduction blocking remover is characterized by comprising the following formula in parts by weight: 10-15 parts of thick oil layering agent, 15-20 parts of catalyst, 5-10 parts of compatilizer, 5-10 parts of corrosion siliceous salt, 5-10 parts of acid generating agent, 15-20 parts of penetrating agent, 8-9 parts of ionic stabilizer, 15-20 parts of corrosion inhibitor and 30-40 parts of water.

2. The non-acidic thick oil viscosity reduction and blockage removal agent according to claim 1, wherein the thick oil layering agent is prepared by mixing one or more of kerosene, white oil, toluene, xylene, chloranil, phenothiazine, lutidine and tetralin.

3. The non-acidic thick oil viscosity reduction and blockage removal agent as claimed in claim 1, wherein the phase solvent is one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether.

4. The non-acidic thick oil viscosity reduction and blockage removal agent according to claim 1, wherein the catalyst is a solution containing a carbonium ion compound.

5. The non-acidic thick oil viscosity reduction and blockage removal agent according to claim 1, wherein the corrosion siliceous salt is formed by mixing one or more of ammonium fluoride, amine fluoroborate and ammonium bifluoride.

6. The non-acidic thick oil viscosity reduction and blockage removal agent according to claim 1, wherein the acid generator is formed by mixing one or more of formaldehyde and ammonium chloride or polyformaldehyde and ammonium chloride.

7. The non-acidic thick oil viscosity reduction and blockage removal agent according to claim 1, wherein the penetrating agent is formed by mixing one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxyanisole, acetone, cyclohexanone and acetophenone.

8. The non-acidic thick oil viscosity reduction unblocking agent according to claim 1, wherein the corrosion inhibitor is one or more of tallow amine, hexadecyl amine, octadecyl amine, urotropin, oleic acid imidazoline, and lauryl imidazoline.

9. The preparation method of the non-acidic thick oil viscosity-reducing blocking remover is characterized by comprising the following steps of:

s1 preparation of original agent

The first phase is prepared by mixing one or more of kerosene, white oil, toluene, xylene, tetrachlorobenzoquinone, phenothiazine, lutidine and tetralin in a mixing container to prepare a heavy oil layering agent, one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether in the mixing container to prepare a phase solvent, one or more of ammonium fluoride, amine fluoborate and ammonium hydrogen fluoride in the mixing container are mixed to prepare an erosion siliceous salt, one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxy phenyl methyl ether, acetone, cyclohexanone and acetophenone in the mixing container to prepare a penetrating agent, and tallow amine, cyclohexanone, and acetophenone in the mixing container to prepare a penetrating agent, One or more of hexadecylamine, octadecylamine, urotropine, oleic acid imidazoline and lauryl imidazoline are mixed to prepare the corrosion inhibitor;

s2, mixing, stirring and dissolving

Adding a catalyst, a compatilizer, corrosion siliceous salt, an acid generator, a penetrating agent, an ionic stabilizer, a corrosion inhibitor and water in the formula into a mixing container according to a required proportion, heating, stirring and mixing at 40-50 ℃ for 30-50 minutes to dissolve the catalysts, the compatilizer, the corrosion siliceous salt, the acid generator, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water;

s3, stirring and forming

Adding the thick oil layering agent, and continuously heating and stirring at the temperature of 30-40 ℃ for 20-30 minutes to form emulsion;

s4, cooling to obtain the finished product

And cooling the emulsion-shaped mixed solvent to normal temperature to obtain the finished product of the non-acidic thick oil viscosity-reducing and blocking-removing agent.

Technical Field

The invention relates to the technical field of viscosity reduction and blockage removal of thick oil, in particular to a non-acidic viscosity reduction and blockage removal agent for thick oil and a preparation method thereof.

Background

With the rapid growth of the world economy, the demand for petrochemical energy is increasing day by day, and at present 90% of the world's transportation energy needs to be obtained by means of petroleum. Because of the lack of protection and the excessive exploitation of human beings, the reserves of global petroleum resources are getting less and less, so that the heavy oil with rich reserves is increasingly gaining attention from various countries as the energy supply of the world is increasingly tense. Because the thick oil has the characteristics of high viscosity, high density and high content of colloid asphalt paraffin, great difficulty is brought to the exploitation process, and the crude oil can be solidified due to the precipitation of wax and asphaltene and the loss of fluidity along with the reduction of temperature, so that the blockage of a well bottom, a pipeline and the like can be caused.

At present, in the process of petroleum exploitation, a thick oil well is often blocked, the blockage removal needs to be carried out by construction, the cost of the blockage removal in the construction is increased, and meanwhile, the efficiency of the petroleum exploitation is also influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a non-acidic thick oil viscosity reduction blocking remover and a preparation method thereof, which have the advantages of viscosity reduction blocking removal and the like of thick oil of a thick oil well and solve the problem of internal blocking of the thick oil well caused by overlarge viscosity of the thick oil.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the non-acidic thick oil viscosity reduction blocking remover comprises the following formula in parts by weight: 10-15 parts of thick oil layering agent, 15-20 parts of catalyst, 5-10 parts of compatilizer, 5-10 parts of corrosion siliceous salt, 5-10 parts of acid generating agent, 15-20 parts of penetrating agent, 8-9 parts of ionic stabilizer, 15-20 parts of corrosion inhibitor and 30-40 parts of water.

Preferably, the thickened oil demixing agent is formed by mixing one or more of kerosene, white oil, toluene, xylene, chloranil, phenothiazine, lutidine and tetralin.

Preferably, the phase solvent is one or a mixture of more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether.

Preferably, the catalyst is a solution containing a carbenium ion compound.

Preferably, the corrosion siliceous salt is formed by mixing one or more of ammonium fluoride, amine fluoroborate and ammonium bifluoride.

Preferably, the acid generator is formed by mixing one or more of formaldehyde and ammonium chloride or polyformaldehyde and ammonium chloride.

Preferably, the penetrating agent is formed by mixing one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxyanisole, acetone, cyclohexanone and acetophenone.

Preferably, the corrosion inhibitor is one or more of tallow amine, hexadecyl amine, octadecyl amine, urotropin, oleic acid imidazoline and lauryl imidazoline.

The invention aims to solve another technical problem of providing a preparation method of the non-acidic thick oil viscosity-reducing blocking remover, which comprises the following steps:

s1 preparation of original agent

The first phase is prepared by mixing one or more of kerosene, white oil, toluene, xylene, tetrachlorobenzoquinone, phenothiazine, lutidine and tetralin in a mixing container to prepare a heavy oil layering agent, one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether in the mixing container to prepare a phase solvent, one or more of ammonium fluoride, amine fluoborate and ammonium hydrogen fluoride in the mixing container are mixed to prepare an erosion siliceous salt, one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxy phenyl methyl ether, acetone, cyclohexanone and acetophenone in the mixing container to prepare a penetrating agent, and tallow amine, cyclohexanone, and acetophenone in the mixing container to prepare a penetrating agent, One or more of hexadecylamine, octadecylamine, urotropine, oleic acid imidazoline and lauryl imidazoline are mixed to prepare the corrosion inhibitor.

S2, mixing, stirring and dissolving

Adding the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water in the formula into a mixing container according to the required proportion, heating, stirring and mixing at 40-50 ℃ for 30-50 minutes to dissolve the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water mutually.

S3, stirring and forming

Adding the thick oil layering agent, continuing heating and stirring, wherein the heating temperature is 30-40 ℃, and the mixing time is 20-30 minutes, so that the mixture becomes emulsion.

S4, cooling to obtain the finished product

And cooling the emulsion-shaped mixed solvent to normal temperature to obtain the finished product of the non-acidic thick oil viscosity-reducing and blocking-removing agent.

(III) advantageous effects

Compared with the prior art, the invention provides a non-acidic thick oil viscosity-reducing blocking remover and a preparation method thereof, and the non-acidic thick oil viscosity-reducing blocking remover has the following beneficial effects:

this non-acid viscous crude viscosity reduction deblocking agent can effectively reduce the inside viscous crude of viscous crude well and glue the too big inside blocking phenomenon that leads to the viscous crude well, and this viscosity reduction deblocking agent is neutral solvent simultaneously, does not possess and corrodes the acidity, when carrying out viscous crude viscosity reduction deblocking, does not cause the corruption injury to the viscous crude well, and this viscosity reduction deblocking agent is harmless solvent simultaneously, accords with modernized environmental protection requirement, reduces the blocking phenomenon of viscous crude well, has avoided being under construction many times, has improved the efficiency of oil development, has also reduced the cost of construction deblocking.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the non-acidic thick oil viscosity reduction blocking remover comprises the following formula in parts by weight: 10 parts of thickened oil layering agent, 15 parts of catalyst, 5 parts of compatilizer, 5 parts of corrosion siliceous salt, 5 parts of acid generator, 15 parts of penetrating agent, 8 parts of ionic stabilizer, 15 parts of corrosion inhibitor and 30 parts of water.

Preferably, the thickened oil demixing agent is formed by mixing one or more of kerosene, white oil, toluene, xylene, chloranil, phenothiazine, lutidine and tetralin.

Preferably, the phase solvent is one or a mixture of more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether.

Preferably, the catalyst is a solution containing a carbenium ion compound.

Preferably, the corrosion siliceous salt is formed by mixing one or more of ammonium fluoride, amine fluoroborate and ammonium bifluoride.

Preferably, the acid generator is formed by mixing one or more of formaldehyde and ammonium chloride or polyformaldehyde and ammonium chloride.

Preferably, the penetrating agent is formed by mixing one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxyanisole, acetone, cyclohexanone and acetophenone.

Preferably, the corrosion inhibitor is one or more of tallow amine, hexadecyl amine, octadecyl amine, urotropin, oleic acid imidazoline and lauryl imidazoline.

The invention aims to solve another technical problem of providing a preparation method of the non-acidic thick oil viscosity-reducing blocking remover, which comprises the following steps:

s1 preparation of original agent

The first phase is prepared by mixing one or more of kerosene, white oil, toluene, xylene, tetrachlorobenzoquinone, phenothiazine, lutidine and tetralin in a mixing container to prepare a heavy oil layering agent, one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether in the mixing container to prepare a phase solvent, one or more of ammonium fluoride, amine fluoborate and ammonium hydrogen fluoride in the mixing container are mixed to prepare an erosion siliceous salt, one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxy phenyl methyl ether, acetone, cyclohexanone and acetophenone in the mixing container to prepare a penetrating agent, and tallow amine, cyclohexanone, and acetophenone in the mixing container to prepare a penetrating agent, One or more of hexadecylamine, octadecylamine, urotropine, oleic acid imidazoline and lauryl imidazoline are mixed to prepare the corrosion inhibitor.

S2, mixing, stirring and dissolving

Adding the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water in the formula into a mixing container according to the required proportion, heating, stirring and mixing at 40-50 ℃ for 30-50 minutes to dissolve the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water mutually.

Example two:

the non-acidic thick oil viscosity reduction blocking remover comprises the following formula in parts by weight: 13 parts of thickened oil layering agent, 17 parts of catalyst, 7 parts of compatilizer, 7 parts of corrosion siliceous salt, 7 parts of acid generator, 17 parts of penetrant, 8 parts of ionic stabilizer, 17 parts of corrosion inhibitor and 34 parts of water.

Preferably, the thickened oil demixing agent is formed by mixing one or more of kerosene, white oil, toluene, xylene, chloranil, phenothiazine, lutidine and tetralin.

Preferably, the phase solvent is one or a mixture of more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether.

Preferably, the catalyst is a solution containing a carbenium ion compound.

Preferably, the corrosion siliceous salt is formed by mixing one or more of ammonium fluoride, amine fluoroborate and ammonium bifluoride.

Preferably, the acid generator is formed by mixing one or more of formaldehyde and ammonium chloride or polyformaldehyde and ammonium chloride.

Preferably, the penetrating agent is formed by mixing one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxyanisole, acetone, cyclohexanone and acetophenone.

Preferably, the corrosion inhibitor is one or more of tallow amine, hexadecyl amine, octadecyl amine, urotropin, oleic acid imidazoline and lauryl imidazoline.

The invention aims to solve another technical problem of providing a preparation method of the non-acidic thick oil viscosity-reducing blocking remover, which comprises the following steps:

s1 preparation of original agent

The first phase is prepared by mixing one or more of kerosene, white oil, toluene, xylene, tetrachlorobenzoquinone, phenothiazine, lutidine and tetralin in a mixing container to prepare a heavy oil layering agent, one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether in the mixing container to prepare a phase solvent, one or more of ammonium fluoride, amine fluoborate and ammonium hydrogen fluoride in the mixing container are mixed to prepare an erosion siliceous salt, one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxy phenyl methyl ether, acetone, cyclohexanone and acetophenone in the mixing container to prepare a penetrating agent, and tallow amine, cyclohexanone, and acetophenone in the mixing container to prepare a penetrating agent, One or more of hexadecylamine, octadecylamine, urotropine, oleic acid imidazoline and lauryl imidazoline are mixed to prepare the corrosion inhibitor.

S2, mixing, stirring and dissolving

Adding the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water in the formula into a mixing container according to the required proportion, heating, stirring and mixing at 40-50 ℃ for 30-50 minutes to dissolve the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water mutually.

Example three:

the non-acidic thick oil viscosity reduction blocking remover comprises the following formula in parts by weight: 15 parts of thickened oil layering agent, 20 parts of catalyst, 10 parts of compatilizer, 10 parts of corrosion siliceous salt, 10 parts of acid generator, 20 parts of penetrating agent, 9 parts of ionic stabilizer, 20 parts of corrosion inhibitor and 40 parts of water.

Preferably, the thickened oil demixing agent is formed by mixing one or more of kerosene, white oil, toluene, xylene, chloranil, phenothiazine, lutidine and tetralin.

Preferably, the phase solvent is one or a mixture of more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether.

Preferably, the catalyst is a solution containing a carbenium ion compound.

Preferably, the corrosion siliceous salt is formed by mixing one or more of ammonium fluoride, amine fluoroborate and ammonium bifluoride.

Preferably, the acid generator is formed by mixing one or more of formaldehyde and ammonium chloride or polyformaldehyde and ammonium chloride.

Preferably, the penetrating agent is formed by mixing one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxyanisole, acetone, cyclohexanone and acetophenone.

Preferably, the corrosion inhibitor is one or more of tallow amine, hexadecyl amine, octadecyl amine, urotropin, oleic acid imidazoline and lauryl imidazoline.

The invention aims to solve another technical problem of providing a preparation method of the non-acidic thick oil viscosity-reducing blocking remover, which comprises the following steps:

s1 preparation of original agent

The first phase is prepared by mixing one or more of kerosene, white oil, toluene, xylene, tetrachlorobenzoquinone, phenothiazine, lutidine and tetralin in a mixing container to prepare a heavy oil layering agent, one or more of ethylene glycol monobutyl ether, ethylene glycol dibutyl ether and propylene glycol monobutyl ether in the mixing container to prepare a phase solvent, one or more of ammonium fluoride, amine fluoborate and ammonium hydrogen fluoride in the mixing container are mixed to prepare an erosion siliceous salt, one or more of amyl ether, ethylene glycol monobutyl ether, p-hydroxy phenyl methyl ether, acetone, cyclohexanone and acetophenone in the mixing container to prepare a penetrating agent, and tallow amine, cyclohexanone, and acetophenone in the mixing container to prepare a penetrating agent, One or more of hexadecylamine, octadecylamine, urotropine, oleic acid imidazoline and lauryl imidazoline are mixed to prepare the corrosion inhibitor.

S2, mixing, stirring and dissolving

Adding the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water in the formula into a mixing container according to the required proportion, heating, stirring and mixing at 40-50 ℃ for 30-50 minutes to dissolve the catalyst, the compatilizer, the corrosion siliceous salt, the acid generating agent, the penetrating agent, the ionic stabilizer, the corrosion inhibitor and the water mutually.

The invention has the beneficial effects that: this non-acid viscous crude viscosity reduction deblocking agent can effectively reduce the inside viscous crude of viscous crude well and glue the too big inside blocking phenomenon that leads to the viscous crude well, and this viscosity reduction deblocking agent is neutral solvent simultaneously, does not possess and corrodes the acidity, when carrying out viscous crude viscosity reduction deblocking, does not cause the corruption injury to the viscous crude well, and this viscosity reduction deblocking agent is harmless solvent simultaneously, accords with modernized environmental protection requirement, reduces the blocking phenomenon of viscous crude well, has avoided being under construction many times, has improved the efficiency of oil development, has also reduced the cost of construction deblocking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.