Wintershall Holding GmbH Patent applications |
Patent application number | Title | Published |
20160084053 | Flowable Composition For The Thermal Treatment Of Cavities - A free-flowing composition (FC) comprises:
| 03-24-2016 |
20160046505 | THE CLEANING OF RESERVOIR WATER - The present invention relates to a simple and improved process for removing aromatic hydrocarbons from deposit water through the use of associated petroleum gas as stripping gas. | 02-18-2016 |
20160016871 | Process For The Preparation Of Substituted TRIS(2-Hydroxyphenyl)Methane - Described is a novel process for the preparation of substituted tris(2-hydroxyphenyl)methane derivatives and the use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production. | 01-21-2016 |
20150353808 | A Solid Particles-Stabilized Emulsion And Process For Preparing The Same - The presently claimed invention is directed a solid particles-stabilized emulsion containing a continuous phase and a dispersed phase comprising a) water, b) crude oil having a viscosity in the range of 1 to 10000 mPa·s at a temperature of 20° C. according to DIN 53019 and c) at least one layered double hydroxide of general formula (I), wherein water is the continuous phase and crude oil is the dispersed phase, and a process for preparing the same. | 12-10-2015 |
20150300127 | DEVICE AND METHOD FOR WELL STIMULATION - The invention relates to a heat generator for well stimulation, comprising a tubular fuel vessel ( | 10-22-2015 |
20150292287 | DEVICE AND PROCESS FOR STIMULATION AND CLEANING OF A LIQUID-FILLED WELL - The invention relates to a device for cleaning a liquid-filled well ( | 10-15-2015 |
20150247395 | Free-Flowing Aqueous Compositions And Processes For Enhancing The Production Rate Of Mineral Oil And/Or Natural Gas From An Underground Deposit Comprising Mineral Oil And/Or Natural Gas - The present invention relates to free-flowing aqueous compositions and to a process for enhancing the production rate of mineral oil and/or natural gas from an underground deposit which comprises mineral oil and/or natural gas, and into which at least one well has been sunk, the latter being in contact with the underground deposit through at least one perforation region. | 09-03-2015 |
20150240608 | Process For Producing Natural Gas And Natural Gas Condensate From Underground Gas Condensate Deposits - A process for producing natural gas and/or natural gas condensate from an underground gas condensate deposit comprising a gas mixture having retrograde condensation characteristics, comprising at least the process steps of:
| 08-27-2015 |
20150175872 | Process For Dissolving Deposits Comprising Alkaline Earth Metal Sulfates - A process for dissolving deposits comprising alkaline earth metal sulfates in underground installations or installation parts for production of mineral oil, natural gas and/or water, by treating the deposits with an aqueous formulation comprising methanesulfonic acid. | 06-25-2015 |
20140011243 | Genetically Modified Microorganisms Capable of Producing Beta-Glucans and Methods for Producing Beta-Glucans - The present invention relates to genetically modified microorganisms capable of producing beta-glucans, characterized in that said genetically modified microorganism overexpresses (i) a polynucleotide encoding a polypeptide having 1,3-β-D-glucan synthase-activity, and/or (ii) a polypeptide having 1,3-β-D-glucan synthase-activity, compared to a corresponding non-modified control microorganism of the same strain. The present invention also relates to the use of a polynucleotide encoding a polypeptide having 1,3-β-D-glucan synthase-activity or the use of such a polypeptide for producing β-glucans. Furthermore, the present invention relates to methods for producing β-glucans comprising the introduction of a promoter upstream of a polynucleotide encoding a polypeptide having 1,3-β-D-glucan synthase-activity thereby increasing the expression of said polynucleotide, or a polynucleotide encoding a polypeptide having 1,3-β-D-glucan synthase-activity into a microorganism being able to synthesize β-glucans. | 01-09-2014 |
20130310553 | METHOD FOR PRECIPITATING AND RE-DISSOLVING BETA-GLUCAN - The present invention relates to novel methods for precipitating beta-glucan (β-glucan) by using high-molecular polyethylene glycol (PEG) and re-dissolving the precipitated β-glucan in a suitable medium. The novel method of the present invention may also include drying the precipitated β-glucan and/or swelling the precipitated b-glucan in a suitable solution before re-dissolving the β-glucan. | 11-21-2013 |
20130098609 | USE OF TRIS(2-HYDROXYPHENYL)METHANE DERIVATIVES FOR TERTIARY MINERAL OIL PRODUCTION - A process for mineral oil production, in which an aqueous formulation comprising tris(2-hydroxyphenyl)methane of the general formula (I) is injected into a mineral oil deposit through an injection well and the crude oil is withdrawn from the deposit through a production well, | 04-25-2013 |
20130081809 | PROCESS FOR PRODUCING MINERAL OIL FROM AN UNDERGROUND DEPOSIT - A process for producing mineral oil, in which an aqueous flooding medium comprising water, a glucan, urea and optionally surfactants is injected into the mineral oil formation and mineral oil is withdrawn from the formation through at least one production well, wherein the formation has a temperature of at least 60° C. The formulation forms in situ foams in the formation under the influence of the formation temperature. | 04-04-2013 |
20130062078 | PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND MINERAL OIL DEPOSITS - A process for producing mineral oil from underground mineral oil deposits. One or more flooding media is injected into an injection well and mineral oil is withdrawn from a production well. Highly permeable zones are blocked in the region between the injection well and the production well by injecting aqueous formulation F1 and aqueous formulation F2 each separately in succession through the injection well into the deposit. F1 and F2 mix with one another in the formation after injection to form viscous gels. F1 comprises water and urotropin and F2 comprises water and urea. F1 and/or F2 comprise(s) at least one further compound M selected from metal compounds and semimetal compounds, which further compound can form gels when admixed with bases, the injection well temperature before process step (2) being not more than 60° C. | 03-14-2013 |
20130043024 | PROCESS FOR PRODUCING VISCOUS MINERAL OIL FROM UNDERGROUND DEPOSITS - The present invention relates to a process for producing mineral oil from mineral oil deposits, in which the mineral oil yield is increased by blocking high-permeability regions of the mineral oil formation by injecting at least one formulation into the deposit, the formulation not being brought to a temperature at which the viscosity increases significantly until within the deposit, by injection of steam. The process can be used especially in the final stage of deposit development between water flooding and steam flooding of the deposits. | 02-21-2013 |
20120325481 | PROCESS FOR OBTAINING VISCOUS MINERAL OIL FROM AN UNDERGROUND DEPOSIT - The invention provides a process for producing mineral oil from an underground mineral oil deposit into which at least one injection well which is in contact with the mineral oil deposit via at least one perforation zone and at least one production well have been sunk, comprising injecting at least one aqueous urea solution into the injection well and pressure-injecting the aqueous urea solution through the perforation zone into the mineral oil deposit, wherein the aqueous urea solution on pressure injection into the mineral oil deposit is at a temperature of at least 80° C. | 12-27-2012 |
20120270033 | METHOD FOR THE COATING OF A CELLULOSE MATERIAL BY USING A GLUCAN - The present invention is directed to a method for coating a sheet-like cellulose containing material by applying a composition comprising at least one glucan (G), which has a β(beta)-1,3-glycosidically linked main chain and at least one side group having a β(beta)-1,6-glycosidic bond to the main chain, particularly Schizophyllan, and at least one solvent (S), particularly a ionic liquid, on the surface of the sheet-like material. | 10-25-2012 |
20120255729 | MULTISTAGE PROCESS FOR PRODUCING MINERAL OIL USING MICROORGANISMS - A multistage process for producing mineral oil from mineral oil deposits by injecting aqueous flooding media into a mineral oil formation through injection boreholes and withdrawing the mineral oil through production boreholes, in which the mineral oil yield is increased by the use of microorganisms in combination with measures for blocking highly permeable zones of the mineral oil formation. | 10-11-2012 |
20120205099 | PROCESS FOR MINERAL OIL PRODUCTION FROM MINERAL OIL DEPOSITS WITH HIGH DEPOSIT TEMPERATURE - A two-stage process for mineral oil production from mineral oil deposits with a deposit temperature of more than 70° C. and a salinity of 20 000 ppm to 350 000 ppm, in which an aqueous formulation comprising at least one glucan with a β-1,3-glycosidically linked main chain, and side groups β-1,6-glycosidcally bonded thereto and having a weight-average molecular weight M | 08-16-2012 |
20120199343 | MULTISTAGE PROCESS FOR PRODUCING MINERAL OIL USING MICROORGANISMS - A process for producing mineral oil from mineral oil deposits by injecting aqueous flooding media into a mineral oil formation through injection boreholes and withdrawing the mineral oil through production boreholes, wherein the process comprises several cycles of process steps in which oil-mobilizing microorganisms and flooding water are injected alternately into the deposit. Processes in which highly permeable regions of the mineral oil formation are additionally blocked. | 08-09-2012 |
20120138302 | DEVICE AND METHOD FOR WELL STIMULATION - A device for well stimulation comprising a carrying element ( | 06-07-2012 |
20120080187 | PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND MINERAL OIL DEPOSITS - A process for producing mineral oil from mineral oil deposits, in which the mineral oil yield is increased by blocking highly permeable regions of the mineral oil formation by separate injection of at least one acidic formulation which comprises water-soluble Al(III) salts, and one urea- or urea derivative-comprising formulation into the deposit, said formulations not mixing with one another until within the deposit, and the mixture forming highly viscous gels under the influence of the deposit temperature. The process can be used especially in the final stage of deposit development, when watering out in production increases, and particularly after the steam flooding of the deposits. | 04-05-2012 |
20110151517 | PROCESS FOR THE PREPARATION OF HOMOPOLYSACCHARIDES - A process for the preparation of aqueous solutions of glucans having a β-1,3-glycosidically-linked main chain and side groups having a β-1,6-glycosidic bond by fermentation of fungal strains. The fungal strains secrete the glucans into the fermentation broth, in an aqueous culture medium, and the separation of the glucans from the fermentation broth is effected using asymmetrical filter membranes. | 06-23-2011 |
20110088899 | PROCESS FOR THE PRODUCTION OF MINERAL OIL - The present invention relates to a process for the production of mineral oil from mineral oil deposits with large temperature gradients, in which, for increasing the mineral oil yield, highly permeable regions of the mineral oil formation are blocked by injecting formulations which, after being forced into the deposit, form highly viscous gels under the influence of the deposit temperature. A plurality of portions of the formulation which in each case can form gels at different temperatures and therefore result in very complete blocking of highly permeable regions of the formation are used. | 04-21-2011 |