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: Customer reviews: Intex 120V Sand Filter Pump ...- sand filter acid wash , · Find helpful customer reviews and review ratings for Intex 120V Sand Filter Pump & Saltwater System at . Read honest and unbiased product reviews from our users.Search Results - Schlumberger Oilfield GlossarySearched for "p" in All Fields (4871 result(s) found) Variables and Numbers. S or: S w: 2D survey: 3D survey: a: 1D seismic data: 2-way traveltime