Application of Water in Oil Drilling Fluid Technology in Jiaoye 18-8HF Well

2021 ◽  
Keyword(s):  
Drilling Fluid ◽  
Oil Drilling

scholarly journals Application of Thermal Resistant Gemini Surfactants in Highly Thixotropic Water-in-oil Drilling Fluid System

2019 ◽  
Vol 17 (1) ◽  
pp. 1435-1441
Author(s):  
Yonggui Liu ◽  
Yang Zhang ◽  
Jing Yan ◽  
Tao Song ◽  
Yongjun Xu
Keyword(s):  
Gemini Surfactants ◽  
Drilling Fluid ◽  
Drilling Fluids ◽  
Excellent Thermal Stability ◽  
Oil Drilling ◽  
Low Viscosity ◽  
Emulsion Drops ◽  
Oil Emulsions ◽  
Building Capability ◽  
Liquid Precipitation

AbstractTraditional water-in-oil drilling fluids are limited by their shear thinning behavior. In this article, we propose the synthesis of a thermal resistant quaternary ammonium salt gemini surfactant DQGE-I. This surfactant was synthesized using monomers such as N,N-dimethyl-1,3-propanediamine, organic acids and epichlorohydrin, as well as blocking groups such as N-vinylpyrrolidone (NVP). The prepared surfactant exhibited various advantages over traditional surfactants, including excellent thermal stability, good emulsifying and wetting capability. The use of these surfactants was shown to improve the compactness of emulsifier molecules at the oil/water interface, as well as the overall emulsificaiton effect. Laboratory studies revealed that water-in-oil emulsions prepared using DQGE-I showed high emulsion breaking voltage, low liquid precipitation and small and uniformly distributed emulsion drops. Highly thixotropic water-in-oil drilling fluids based on DQGE-I showed low viscosity, high shear rate and thermal tolerance up to 260oC. Additionally, the proposed fluid was applied in 16 wells (including WS1-H2, GS3 and XS1-H8) in the Daqing Oilfield. Testing showed that DQGE-1 exhibited excellent rheological behavior and wall-building capability. The emulsion breaking voltage exceeded 1500 V, and the yield point/ plastic viscosity ratio exceeded 0.4. The use of this surfactant can help to solve problems such as high formation temperature and poor well wall stability.

scholarly journals Bio-Based Oil Drilling Fluid Improvements through Carbon- Based Nanoparticle Additives

Drilling ◽  
2018 ◽  
Author(s):  
Yee Ho Chai ◽  
Suzana Yusup ◽  
Vui Soon Chok ◽  
Sonny Irawan
Keyword(s):  
Drilling Fluid ◽  
Oil Drilling ◽  
Nanoparticle Additives ◽  
Carbon Based

The Application of Circular Magnetic Grid Sensor in Automatic Viscometer for Measuring Viscosity of Liquid Material Based on Fluid Mechanics

2013 ◽  
Vol 676 ◽  
pp. 51-55
Author(s):  
Jian Gang Zhao ◽  
Ming Deng ◽  
Qi Wang ◽  
Rui Yang
Keyword(s):  
Drilling Fluid ◽  
Strong Stability ◽  
Petroleum Products ◽  
Rheological Parameter ◽  
Oil Drilling ◽  
Scientific Drilling ◽  
Analysis Instrument ◽  
Liquid Material ◽  
Design Requirements ◽  
Automatic Reading

Viscometer is analysis instrument which is available in measuring viscosity of liquid material. The viscometer is widely used in food, inks, paints, solvents, petroleum products and various fields of industrial production. In the field of oil drilling, viscometer is mainly used for evaluation rheological parameter of drilling fluid that is beneficial to safety, fast and scientific drilling. Circular magnetic grid could improve precision and stability when it is applied in torque measurement of automatic viscometer, and its non-contact measurement and high antipollution characteristics meet the design requirements of viscometer. The improved automatic viscometer has strong stability, good consistency and automatic reading function. According to needs of users, it would automatically draw various rheological curves.

scholarly journals Effect of barite and gas oil drilling fluid additives on the reservoir rock characteristics

2016 ◽  
Vol 7 (1) ◽  
pp. 281-292 ◽  
Author(s):  
Dhorgham Skban Ibrahim ◽  
Nagham Amer Sami ◽  
N. Balasubramanian
Keyword(s):  
Drilling Fluid ◽  
Reservoir Rock ◽  
Gas Oil ◽  
Oil Drilling

Development of All-Oil Drilling Fluid for Core Sampling with Natural Fluid Saturation Saving in the Timan-Pechora Oil-and-Gas Province (Russian)

2018 ◽  
Author(s):  
Irina Sergeevna Borovkova ◽  
Sergey Sergeevich Kharin ◽  
Vadim Vilevich Malikov ◽  
Irina Leonidovna Nekrasova ◽  
Pavel Aleksandrovich Khvoschin ◽  
...  
Keyword(s):  
Oil And Gas ◽  
Drilling Fluid ◽  
Oil Drilling ◽  
Core Sampling ◽  
Fluid Saturation

scholarly journals Adjustment of drilling slurry density during transportation by Platform Supply Vessels

2021 ◽  
Vol 27 (1) ◽  
pp. 52-62
Author(s):  
Сергей Анатольевич Карьянский ◽  
◽  
Денис Николаевич Марьянов ◽  
Keyword(s):  
Energy Consumption ◽  
Relative Density ◽  
Drilling Fluid ◽  
Direct Approach ◽  
Density Stratification ◽  
Equal Size ◽  
Fluid Density ◽  
Oil Drilling ◽  
Density Measurements ◽  
A Value

Annotation – The issues of maintaining the drilling fluid density during its transportation from shore to the oil drilling platform by the Platform Supply Vessels were considered. The research was carried out on the vessel of 5650 deadweight tons, which made 2 ... 2.5 day voyages from port to drilling platform with possible waiting for direct approach to the platform for 1 ... 1.5 days. The drilling fluid was transported in four tanks of equal-size, arranged in pairs on each side of the vessel. It was found that during this period of time there is a latent stratification of drilling fluid along the depth of cargo tank, causing stratification of its density. The density of the drilling fluid was measured at depths corresponding to 10, 50 and 90 % of the total tank depth. The drilling fluid density stratification is defined as the relative density change in the upper (at 10 % depth) and lower (at 90 % depth) parts of the cargo tank. The hydrometer was used to measure density, allowing measurements in the range of 650 ... 1630 kg/m3 with an accuracy of 1 kg/m3 while controlling the temperature. Density measurements were taken at 6-hour intervals. It has been experimentally proved that during the 48-hour transportation of the drilling fluid with the density of 1295 kg/m3, the density value at the indicated depths is 1163 and 1524 kg/m3 respectively, while the density stratification reaches 31 %. It is offered to prevent the density stratification by creating a forced X-shaped circulation of the drilling fluid between cargo tanks which stand side by side. It is offered to regulate and maintain automatically the drilling fluid density in the range of 2 ... 7 % by using programmable controllers. When the density stratification reaches 7 %, the controller switches on the circulation pumps and circulates the drilling fluid between tanks which stand side by side. This increases the drilling fluid uniformity and helps to reduce the density stratification along the depth of the cargo tank. The process of additional circulation of the drilling fluid is rationally ensured until the density stratification reaches a value of 2 %. Fulfilment of the above-mentioned conditions will ensure that the drilling fluid maintains its operational properties and the energy consumption associated with the additional operation of the circulation pumps is minimised.

Synthesis and characterization of Tunisian organoclay: Application as viscosifier in oil drilling fluid

2020 ◽  
Vol 153 ◽  
pp. 427-434
Author(s):  
Imed Msadok ◽  
Noureddine Hamdi ◽  
M.A. Rodríguez ◽  
Begoña Ferrari ◽  
Ezzeddine Srasra
Keyword(s):  
Drilling Fluid ◽  
Synthesis And Characterization ◽  
Oil Drilling
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