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6 Applications of Sucker Rods in the Oil & Gas Industry - Parkin Crafts

Sucker rods are used to inject liquids in the oil and gas industry. The types of sucker rods include long stroke sucker rods, linear rod pumping, screw pump electric heating devices, and coated metal couplings. Each type has its own advantages and disadvantages. There is a great and high-quality sucker rod up for purchase at Octal Steel.

Long stroke sucker rod

Long stroke sucker rods are designed to achieve high levels of performance while simultaneously minimizing operational costs. Their design incorporates a heavy-duty load belt that links the powertrain to the rod string. This belt acts as a shock absorber and reduces the stress on the system. Additionally, their design minimizes the radius of the torque arm, which allows for a smaller prime mover and gear reducer. As a result, these rods are cheaper to purchase and operate than their counterparts.

Another benefit of long stroke sucker rods is their increased capacity. They are capable of pumping at higher rates than conventional rods and are therefore more efficient than traditional pumps. They also allow operators to achieve higher fillage rates per stroke and higher volumetric efficiency. They can also bypass intermediate ESPs. With this design, operators can achieve a fillage rate of 700 to 900 bpd in the oil and gas industry at depths of up to 6,000 feet. Their strokes are up to 60 percent longer than those of the largest conventional units.

Another benefit of using a rod rotator is its ability to extend the life of sucker rod string couplings. This cost-effective solution extends the lifespan of the rod couplings by giving them even wear and extending the run time. Traditional cable-actuated rod rotators require proper installation and maintenance. They can also result in premature failure of the sucker rod couplings.

Linear rod pumping

Linear rod pumping is a technique for extracting hydrocarbons from a reservoir using long, threaded rods. These rods are connected at the surface and downhole with couplings. A pump stroke can be hundreds or even thousands of feet long.

The linear pumping apparatus includes a mechanical rack and pinion drive arrangement. The rack gear is designed to translate along the polished rod. The pinion gear does not translate, but is driven by a reversible motor, causing an up and down reciprocating movement.

The electronic drive can also be configured to deal with the electric power generated during the pumping cycle. The control arrangement may also include a parameter estimation technique. During the pumping cycle, the electric motor may cause the rack to move downward. Then, the control arrangement may adjust the speed of the rack to ensure that it does not move more than is necessary.

A second exemplary embodiment of linear rod pumping apparatus is illustrated in FIGS. 3-8. The apparatus includes a linear mechanical actuator arrangement 102, a reversible motor 104, and a control arrangement 108. The actuator has a substantially vertical movable member attached to the polished rod 52, which imparts a vertical motion to a rod string 82. A sucker-rod pump 68 is also included.

One of the main advantages of linear rod pump apparatus is its low maintenance requirements. In addition to that, it is used for a variety of applications.

Screw pump electric heating device

The screw pump electric heating device is a kind of pump that uses an electric heating element to increase the flow rate. This device can be used in oil and gas industry. Besides, it can also be used in environmental technology, drinking water pumping, and disaster control. Its characteristics include high flow rate, continuity, reliability, safety, and economy.

The screw pump electric heating device is used in the oil and gas industry to reduce the operating cost. The pump’s life expectancy is limited by internal mechanical components and friction wear. Once the pump reaches its defined MTBF, which is usually 12K hours, the customer will need to replace the pump. If the pump’s MTBF is longer, the customer will have to spend more on maintenance and service.

The oil and gas industry is increasingly producing heavier grades of crude oil. These oils come from places such as Mexico, Canada, and South America. These oils are highly viscous and need to be heated with steam or diluent. Screw pumps are ideal for handling these heavier grades.

Multiphase twin screw pumps have a dual-phase design that provides optimum flexibility in oil and gas industries. These pumps are most often used in upstream operations, where they provide a low capital cost for installation and operation. They are a multiphase pump, handling up to 100 percent gas and liquid, as well as any combination of both. They are available in land-based, offshore, and subsea applications.

Coated metal couplings

The oil and gas industry uses a variety of coated metal couplings. One type is made from hard metal. These are commonly used in offshore exploration. These couplings are characterized by their flexural strength and corrosion resistance. Other types are softer and have a high tensile strength. Coated metal couplings are made from different materials, including hard metal and plain carbon steel.

During the application process, the coated metal is subjected to various tests. Quality control includes salt contamination tests, surface profile tests, and visual inspection. A variety of physical tests are also performed to determine the durability of the coating. These include a high-voltage holiday test, a dry film thickness test, a durometer test, a weight drop test, a bend test, and a 24-hour water soak.

Oil and gas can be extremely harsh on metal parts, which is why coated metal is necessary. It protects the metal from corrosion and wear and increases abrasion resistance. Coatings also help reduce the risk of equipment failures because of chemical reaction. This helps protect the oil and gas equipment from any potential hazards.

Coated metal couplings are an excellent solution for oil and gas operations. These pipelines can be several kilometers long and exposed to harsh environments. Rain, dirt, and rust can cause damage to the metal parts. Rusted equipment can lead to inefficiency and may even stop operations altogether.

Fluid pound

Weatherford API sucker rods are manufactured to meet API 11B specifications. They are manufactured in an ISO 9001/API Q1 certified facility in Greenville, South Carolina, and feature fully rolled cold-formed threads. Cold-forming is a method that dispenses metal rather than removes it, providing a more accurate and reinforced thread structure. Weatherford rods are also shot-blasted and liberally coated with rust inhibitors before being palletized and shipped.

Sucker rods are designed to lift a certain amount of fluid. They are shaped to allow for this and are usually equipped with a stuffing box. This prevents fluid leakage. The sucker rods are attached to tubing that carries the fluid.

In addition to these benefits, quenched and tempered sucker rods provide a high level of strength, with an intermediate level between API Grade D and ultrahigh-strength EL rods. They also feature a finer grain structure that resists fatigue. The result is a high-strength sucker rod that can withstand fluid pounding.

Despite the benefits of sucker rods, they can also cause problems. The constant motion that sucker rods undergo can lead to wear. Proper design and durability of the rod can help minimize this problem, but the rods must be designed to avoid damage from rubbing on the tubing and reducing the life of downstream components. Additionally, improperly designed sucker rods can cause string breaks.

Durability

Durability of sucker rods is critical for well operators in the oil and gas industry. With energy costs rising year after year, operators are trying to minimize downtime and well failures. However, there are problems associated with running sucker rod strings. In addition to the fact that servicemen need to replace certain components of these rods on a regular basis, a poorly functioning rod can lead to a well failure. To minimize the risk of such failures, operators must first understand how a sucker rod string works.

The durability of sucker rods is determined by their resistance to corrosion. The first step to improving the longevity of a rod is to reduce the load on it. While traditional rod guides are typically plastic components that bolt onto the rod, they do not provide adequate protection in every well environment.

Another problem with sucker rods is corrosion fatigue. This is caused by the corrosive environment and cyclic stress. Corrosion fatigue reduces the number of cycles that the rod can withstand before it fails. This is the cause of most sucker rod failures, especially in the area near the upset bead.

Sucker rods are manufactured to meet API 11B specifications at Weatherford’s Greenville plant. API sucker rods manufactured by Weatherford have fully rolled cold-formed threads. This method reinforces the thread root and provides a precision thread structure. Rods are then shot-blasted and liberally coated with rust inhibitors. They are then palletized to ensure safe transportation.