The importance attached to unconventional oil and gas resources, especially shale oil and gas development through horizontal well, shows unique advantage of oil-based drilling fluid on shale formation. It is proved that oil-based drilling fluid is the prime choice for shale gas horizontal well const
Future Development Direction for New Technologies of Drilling Fluids Read More »
Recently, the Bozi No. 9 Well of PetroChina Tarim Oilfield Company was successfully tested, and it has obtained high-yield industrial oil and gas flow with a daily natural gas of 418,200 cubic meters and the condensate oil of 115.15 cubic meters. It is another 100-billion cubic meters gas field disc
A gas field over a hundred billion cubic meters discovered in Tarim Oilfield Read More »
It is investigated that core products in mud system of the foreign-invested mud companies come from abroad. It is partly because they have their own research development and production base abroad, and further, domestic drilling fluid additives cannot conform to high standards. Low-end products with
Sources of drilling fluid additives Read More »
7) Gypsum drilling fluid Basic components: gypsum, SMC, SMP, SMT, FCLS, etc. Features: By use of the common ion effect, add gypsum to inhibit the gypsum dissolution in formation. 8) MMH drilling fluid Basic components: bentonite, mixed metal hydroxides (MMH), filtrate reducer and viscosity reducer F
Main Drilling Fluid Types in the Chinese Market (II) Read More »
1) Solids-free non-dispersed polymer drilling fluid Basic components: polyacrylamide or multiple vinyl copolymer flocculant, inorganic salt, etc. Features: flocculant can effectively flocculate cuttings generated in the drilling process. 2) Anionic polymer drilling fluid Basic components: multiple v
Main Drilling Fluid Types in the Chinese Market (I) Read More »
Oil-based drilling fluid has such remarkable advantages as strong inhibitive ability, high temperature tolerance, good pollutant resistance, oil gas reservoir protection, good lubricating property, strong corrosion resistance, etc., has experienced the development history from crude oil, water-free
Advantages of Oil Base Drilling Fluid and Its Development History in China Read More »
During the period of 1920s~1960s, water-based drilling fluid was used. At that time, water-based drilling fluid was rather simple and the main type in this stage was dispersed water-based drilling fluid. (1) From 1921 to 1922, barite and iron oxide powder were used as weighting materials. (2) In 192
Development history of water-based drilling fluids in China’s oil drilling industry Read More »
Now, all major oil countries consider the development of drilling waste treatment technologies quite significant, and have had a head start in relevant treatment devices and equipment. Countries like U.S., Canada, France, etc. adopt four-stage solids control equipment in collecting drill cuttings an
Temperature is an important control parameter for sewage plants, especially in the North. In response to changes in temperature, sewage plants should take the initiative to manage operations rather than passively make adjustments. Only by understanding the laws of nature and the microbial habits, ca
Temperature is an important control parameter in sewage treatment process. Read More »
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