wiper plug

July 5, 2019 By Bikouyi Lekombagni 6 Comments

Cement, Spacer, all there. But where’s the wiper plug?

I know that there is no need to remind you of the objectives of a cementing job but, to be in context, let’s mention some of the main ones such as: Providing zonal isolation Structural support for the wellbore Casing protection against corrosive fluids. Failing to meet these objectives could potentially have consequences, in terms […]

March 24, 2017 By Lenin Diaz 21 Comments

Wiper Plugs – Why Don’t They Always Bump?

Everybody knows why bumping the top of wiper plugs at the end of the displacement is an essential element of each successful primary cement job. It ensures only the shoe track is left with cement, and; It allows the pressure testing of the casing. First of all, a couple of questions for you: What is […]

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