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In the field of industrial fluid delivery, pumps, as key power equipment, support the operation of multiple industries. According to the basic theory classification of pumps, its core types can be divided into three categories according to the working principle: positive displacement pumps, dynamic pumps and other types of pumps.

RWA Insert Rod Pump is a rod-type oil pump designed according to API SPEC 11AX (or GB/T18607) standard. According to the support and fixed form of the pump, it can be divided into three categories: moving cylinder type bottom fixed rod type oil pump (RWT or RHT), fixed cylinder type bottom fixed rod type oil pump (RWB or RHB or RXB), fixed cylinder type top fixed rod type oil pump (RWA or RHA).

Maintaining efficient and stable crude oil production in environments with sand content, low liquid levels, deviated wells, and intermittent production has become a focus of industry attention. As a core piece of equipment in traditional mechanical oil production, the insert rod pump exhibits wide adaptability due to its diverse structural configurations. Among them, the top-fixed insert rod pump with a fixed barrel, the bottom-fixed insert rod pump with a fixed barrel, and the bottom-fixed insert rod pump with a moving barrel each play an important role in different operating conditions due to their unique structural advantages.

During oil production, when reservoir energy is insufficient to support natural crude oil flow, artificial lift systems become essential. Among these, RHA insert rod pumps are widely used worldwide. This article will explain the differences between different RHA insert rod pump models, including their structural components, operating principles, typical applications, technical differences compared to other pump types, and installation methods.

The main difference between tubing pumps and insert rod pumps is that tubing pumps have a simple structure and low cost. The diameter of the pump that can be inserted under the same oil pipe diameter is larger than that of insert rod pumps, so the displacement is large. However, when inspecting the pump, the oil pipe must be started, and the workload of repairing the well is large. It is suitable for oil wells with small depth and high production. Insert rod pumps are convenient for pump inspection, but have a complex structure and high manufacturing cost. The diameter of the pump that can be inserted under the same oil pipe diameter is smaller than that of tubing pumps. Insert rod pumps are suitable for oil wells with large depth and low production.

Table of Contents: This article will provide a comprehensive understanding of the definition of an insert rod pump, a comparison between an insert rod pump and a progressive cavity pump, its classification, the impact of different pump hole sizes, and how to install a pump. By leveraging our company's strengths in this field, we'll help you quickly make a selection decision.

Today, Dongsheng will explain which pump is best for pumping crude oil. Please follow us for a closer look. Because crude oil contains a high amount of gas, using a conventional pump can cause cavitation. This is undesirable. Therefore, a pump that can pump crude oil without cavitation is required. So, which pumps are safe from cavitation when pumping crude oil? There are many types of pumps, including insert rod pumps, pneumatic crude oil pumps, cam rotor crude oil pumps, gas-liquid mixing self-priming crude oil pumps, gear crude oil pumps, and more. To help you understand which pumps are best for pumping crude oil, Dongsheng will use the insert rod pump as a specific example.

In the field of oilfield development, choosing the right lifting equipment is very important to maintain stable oil well production and improve recovery. In recent years, insert rod pump, as an efficient and adaptable mechanical oil production equipment, has shown significant advantages under specific reservoir conditions. Its application scenarios are receiving widespread attention and practical testing from Tieling Dongsheng Petroleum Co., Ltd. and other companies in the industry.

The rod pump is the core equipment for mechanical lifting in petroleum mines. The plunger is driven by the sucker rod to efficiently extract the crude oil from the bottom of the well to the ground, which directly determines the production capacity and recovery rate of the oil well. The rod pump has a simple structure, sand resistance and wear resistance (especially suitable for inclined wells/low-yield wells), which can significantly reduce maintenance costs by more than 40%. It is the key support to extend the life of old wells and ensure stable production.

Insert rod pump is a kind of mechanical equipment widely used in the field of petroleum extraction, mainly used to extract crude oil from oil wells. The design concept of insert rod pump is based on artificial lifting technology, which mechanically lifts the fluid in the formation to the ground, thereby overcoming the natural flow difficulties caused by insufficient reservoir pressure. Insert rod pump has the characteristics of simple structure, high reliability and strong adaptability, and plays an outstanding role in low-permeability reservoirs and high-water-bearing oil wells.