A method of well testing, including treating, whereby a testing string including a tool bore closure valve is run into the well bore with the valve in an open mode, the string may be automatically filled, a packer may be pressure tested without cycling the tool bore closure valve, and flui...
An improved bypass valve for use with an oil well testing string is disclosed which includes a check valve means for allowing fluid flow from the interior of the test string to the well annulus when t
Download PDF 4949788 US Patent References: 4880059Sliding sleeve casing tool1989-11-14Brandell et al.166/332 4850432Manual port closing tool for well cementing1989-07-25Porter et al.166/376 4781250Pressure actuated cleaning tool1988-11-01McCormick et al.166/240 ...
5964293Well completion methods using rubber latex compositions in subterranean formations containing salt zones1999-10-12Chatterji et al. 5869750Method, system and device for testing two-phase compressible compositions having gas under pressure1999-02-09Onan et al. ...
3220480Subsurface apparatus for operating well tools1965-11-30Myers166/63 2378469Oil well apparatus1945-06-19Denton Foreign References: GB1099817A1968-01-17 Other References: “Isolator (R) Retrievable Bridge Plug,” Halliburton Service Tools Manual, Nov. 2006, pp. front cover + 2-16 through...