Methods of removing water-based drilling fluids and...

Details Methods of removing water-based drilling fluids and... Methods of removing water-based drilling fluids and...

E - Fixed Constructions

21

B

E21B 21/06 (2006.01) C09K 8/52 (2006.01) E21B 43/38 (2006.01)

Patent

CA 2436382

The present invention provides methods and compositions for removing a water- based drilling fluid from surfaces in a well bore and leaving the surfaces water- wet. A method of the invention basically comprises the following steps. A water-based drilling fluid removal solution comprised of water and a mixture of a sulfonated kraft lignin salt and an N- methyl-N- oleyltaurine salt dissolved therein is provided. The drilling fluid is displaced from the well bore and the well bore surfaces are contacted with the removal solution to thereby remove the drilling fluid from the surfaces and make the surfaces water-wet.

Affiliated with

Also associated with

Rating

Methods of removing water-based drilling fluids and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods of removing water-based drilling fluids and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods of removing water-based drilling fluids and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1580565