E etselitsoe ho fokotsa khohlano ho maro 'ohle a ho cheka a thehiloeng metsing, a theolang torque le ho hula selibeng.E na le tšobotsi e ikhethang ea ho koloba e theolang monyetla oa ho etsa bolo ea Bottom-Hole Assembly (BHA), ha e na li-hydrocarbons 'me e lumellana le maro 'ohle a thehiloeng metsing, ho akarelletsa le mono-/divalent brine fluids.Ka tlatsetso e fokolang ho thepa ea rheological ea litsamaiso tsa seretse, ha e phophole 'me e ka ekeletsoa tsamaisong ea seretse ka sekoti sa ho kopanya kapa ka ho toba tsamaisong ea holim'a metsi hohle moo ho nang le pherekano e ntle.
7-Melemo
1. Setlolo se sebetsang hantle, sa merero eohle bakeng sa lits'ebetso tsa seretse tse thehiloeng metsing
2. Fokotsa coefficient ea khohlano e fokotsang torque le ho hula
3. Ha e eketse rheology kapa matla a gel
4. E na le li-additives tse ikhethang tsa tšepe tse fokotsang tšekamelo ea shale e bonolo, e khomarelang ea ho baka biling le BHA.
5. Ha e bake ho phophoma
6. Biodegradable se nang hydrocarbons
7. E hanana le mocheso ≤200℃ (BHCT)
Nako ea poso: Feb-21-2019