Sentence examples for between the rod string from inspiring English sources

Buoyancy is one of the forces distributed along the rod string in deviated wells and coupled with side force between the rod string and the tubing.

The wave equation is deduced by analyzing the force and moment applied on the rod string.

If the fiberglass sucker rod is subjected to compression, the rod string body could be crushed beneath the wedges and a pullout failure could occur (Gibbs 1991).

Shock absorber device acts as a buffer in the rod string that suppresses the detrimental dynamic effects regularly experienced in a rod pumping system (Tsuru 1987).

In upstroke, with the traveling valve closed, the rod string lifts the weight of fluid in the tubing.

Unlike the conventional pump, little fluid is lifted, so the polished rod mainly bears the weight of the sucker rod string during the upstroke.

Thanks to the cyclic loading for the fatigue failure of the sucker rod string.

The contact forces and friction resistances between rod string and wellbore were derived in the inclined and vertical wells.

However, there is little knowledge concerning how buoyancy affects the dynamic behavior of the sucker rod string.

Guo (2014) proposed a design method of the sucker rod string with load reducer in oil pumping system.

According to the sinusoidal and helical buckling's geometry of the pressurized string, the contact friction state of post-buckling between rod strings and the wellbore was considered.