The PRD weak gelling spudding fluid is successfully used in NB35-2 Oilfield, by which problems of fluid leaking from shaking screen and viscosity break are solved.

• PRD弱凝胶钻开液体系在NB35-2油田的成功试用，解决了传统PRD钻开液在应用中存在的振动筛跑浆和破胶难等问题。