| Место происхождения |
China (Mainland) |
Oil Wells Suitable for Oil-increase Nipple Based on the downhole test at the oil fields, it is generally considered that in the oil wells under the following conditions considerable oil increase effects will be attained: Inside diameter of oil pipePump setting:>1200mDiameter of oil well pump:>Φ38mmStroke:4.8-6mTimes of pumping:6timesEfficiency of precious pump: About 20%Stratum: Deliverability is availableWell deflection: not seriousQuantity of oil-increase nipples to be installed: 50-odd