Evolution In The Treatment Of Water For Oil Wells, Flushing And Produced Water

1980 ◽  
Author(s):  
F. Berne ◽  
H. Labaquere
Keyword(s):  
Produced Water ◽  
Oil Wells

scholarly journals Insights on Geochemical, Isotopic, and Volumetric Compositions of Produced Water from Hydraulically Fractured Williston Basin Oil Wells

2021 ◽  
Author(s):  
Tanya J. Gallegos ◽  
Colin Doolan ◽  
Rodney Caldwell ◽  
Mark A. Engle ◽  
Matthew Varonka ◽  
...  
Keyword(s):  
Produced Water ◽  
Oil Wells ◽  
Williston Basin

scholarly journals New Technologies to Improve the Performance of High Water Cut Wells Equipped With ESP

2021 ◽  
Author(s):  
Sudad H Al-Obaidi ◽  
Smirnov VI ◽  
Khalaf FH
Keyword(s):  
New Technologies ◽  
Produced Water ◽  
Low Cost ◽  
High Water ◽  
Oil Wells ◽  
Simultaneous Injection ◽  
High Water Cut ◽  
Water Cut

The article deals with theoretical and practical issues of improving the efficiency of operation of high-water cut oil wells by developing and applying double-acting pumping systems based on electric submersible pumps. This combination is providing down-hole gravitational separation of oil and produced water, lifting low-water-cut oil to the surface with simultaneous injection of most of the separated water into the absorbing formation without lifting to the surface. Moreover, it is providing low-cost regulation of the ratio of the volumes of the lifted product and the injected water, as well as monitoring the quality of the injected water with the required frequency.

scholarly journals Geochemical, Isotopic and Volumetric Signatures of Produced Water from Williston Basin Oil Wells Hydraulically Fractured with Crosslinked Gel

2020 ◽  
Author(s):  
Tanya J. Gallegos ◽  
Colin Doolan ◽  
Rodney Caldwell ◽  
Mark A. Engle ◽  
Matthew Varonka ◽  
...  
Keyword(s):  
Produced Water ◽  
Oil Wells ◽  
Williston Basin

scholarly journals Turbidity and oil removal from oilfield produced water, middle oil company by electrocoagulation technique

2018 ◽  
Vol 162 ◽  
pp. 05010
Author(s):  
Thamer Mohammed ◽  
Esraa Abbas ◽  
Thabit Ahmed
Keyword(s):  
Current Density ◽  
Oil Content ◽  
Produced Water ◽  
Oil Wells ◽  
Experimental Results ◽  
Allowable Limit ◽  
Current Densities ◽  
Oilfield Produced Water ◽  
Limit Effect ◽  
Oil Company

Huge quantity of produced water is salty water trapped in the oil wells rock and brought up along with oil or gas during production. It usually contains hydrocarbons as oil and suspended solids or turbidity. Therefore the aim of this study is to treat produced water before being discharge to surface water or re injected in oil wells. In this paper experimental results were investigated on treating produced water (which is obtained from Middle Oil Company-Iraq), through electrocoagulation (EC). The performance of EC was investigated for reduction of turbidity and oil content up to allowable limit. Effect of different parameters were studied; (pH, current density, distance between two electrodes, and electrolysis time). The experimental runs carried out by an electrocoagulation unit was assembled and installed in the lab and the reactor was made of a material Perspex, with a capacity of approximately 2.5 liters and dimensions were 20 cm in length, 14 cm in width and 16 cm height. The electrodes employed were made of commercial materials. The anode was a perforated aluminum rectangular plate with a thickness of 1.72 mm, a height of 60 mm and length of 140 mm and the cathode was a mesh iron. The current was used in the unit with different densities to test the turbidity removing efficiency (0.0025, 0.00633, 0.01266 and 0.0253 A/cm2).The experiment showed that the best turbidity removing was (10, 9.7, 9.2, 18 NTU) respectively. The distance between the electrodes of the unit was 3cm. The present turbidity removing was 92.33%. A slight improvement of turbidity removing was shown when the distance between the electrodes was changed from 0.5 to 3 cm with fixation of current density. The best turbidity removing was 93.5% , (7.79 NTU) when the distance between the electrodes were 1 cm. The experimental results found that concentration of oil had decreased to (10.7, 11.2, 11.7, 12.3) mg/l when different current densities (0.00253, 0.00633, 0.01266, 0.0253) A/cm2 were used, respectively with the distance between the electrodes was 3 cm. The best result of oil content decreasing was 10.7 mg/l with current density 0.0253 A/cm2. These results are within allowable limit to provide the possibility of reuse the water and can be injected in oil wells

Non-ionic surfactant loaded on gel capsules to protect downhole tubes from produced water in acidizing oil wells

2020 ◽  
Vol 38 (2) ◽  
pp. 151-164 ◽  
Author(s):  
Ahmed A. Farag ◽  
Emad A. Badr
Keyword(s):  
Carbon Steel ◽  
Produced Water ◽  
Electrochemical Impedance ◽  
Oil Wells ◽  
Positive Sign ◽  
Ionic Surfactant ◽  
Oil Well ◽  
Gravimetric Analysis ◽  
Ethyl Stearate ◽  
The Fourier Transform

AbstractGel capsules of calcium alginate as a matrix stuffed with a non-ionic surfactant, namely 2-(2-(3,4-bis(2-methoxyethoxy)tetrahydrofuran-2-yl)-2-(2-methoxyethoxy)ethoxy)ethyl stearate, Tween-60, as an inhibitor was prepared by a piercing-solidifying method for corrosion protection of carbon steel tubes from produced water in acidizing oil wells. The Fourier transform infrared and thermal gravimetric analysis techniques were used to study the properties of the capsules. The release of the inhibitor from the solid capsules to the corrosive acidizing produced water was studied gradually using ultraviolet-visible spectroscopy. A heavy additive was used to promote the sinking of the capsules in the oil well downhole tubes. The inhibitive effect of the released inhibitor on carbon steel in the corrosive produced water in acidizing oil wells was investigated using weight loss measurement, potentiodynamic polarization, electrochemical impedance spectroscopy, and morphologically by scanning electron microscopy. It was found that the inhibition efficiency increases with the increase of inhibitor release. The increase in temperature leads to partial desorption of inhibitor molecules at the metal surface, which causes increase in the corrosion rate. The positive sign of the activation enthalpy (ΔHa) reflects the endothermic nature of the carbon steel dissolution process.

Potential of recovering elements from produced water at oil and gas fields, British Columbia, Canada

CIM Journal ◽  
2018 ◽  
Vol 9 (4) ◽  
pp. 195-214
Author(s):  
G. J. Simandl ◽  
C. Akam ◽  
M. Yakimoski ◽  
D. Richardson ◽  
A. Teucher ◽  
...  
Keyword(s):  
British Columbia ◽  
Oil And Gas ◽  
Produced Water ◽  
Oil And Gas Fields ◽  
Gas Fields
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