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  • Development of drilling fluid system and additives is facing new breakthroughs to adapt to requirements of deep well, ultra deep well and complex formation drilling and increasingly valued environmental requirements, as well as further reduce drilling cost. New treatment agents have to adapt to ultr...
  • 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...
  • 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...
  • 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...
  • 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...
  • Recently, a set of KOSUN drilling waste treatment system has been completed and successfully sent to a project site in Russia. This system is a drilling waste treatment system integrating machines and electrical control. The system mainly consists of skid-mounted tank , KOSUN VC-800 cuttings dryer ,...
  • 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...
  • 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...
  • 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...
  • 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...
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