Study and Verification of a Physical Simulation System for Formation Pressure Testing while Drilling

Figure 2

Testing principle of a typical probe-type FPTWD tester. (a) Major components of the typical FPTWD tester (reproduced from [4]). (b) Testing workflow (reproduced from [4]). (c) Testing pressure response curve (reproduced from [32–34]).

(a)

(b)

(c)