rig mud pump pricelist

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A mud pump is a reciprocating piston or plunger device designed to pump drilling fluid under high pressures and volumes down the drill string of a drilling rig. The main functions of drilling fluid are to provide hydrostatic pressure to prevent formation fluids from entering and to stabilize the bore, to keep the drill bit cool and clean, to carry drill cuttings back out to the surface, and to suspend the drill cuttings while drilling is paused or during the pullback process.

Mud pumps consist of two main sub-assemblies- the fluid end and the power end. The fluid end performs the pumping process with valves, pistons, and liners, or plungers and stuffing boxes- depending upon the type used. These components are considered expendables, and are designed to be easily replaced in the field. The power end contains the eccentric or crankshaft, along with the connecting rods, and cross heads/slides.

Tulsa Triplex is a Tulsa Rig Iron company. We manufacture pumps from 100 to 600 horsepower that are designed to be easily maintained and are capable of being completely rebuilt. Our pumps feature a smaller footprint and lighter weight than competing models, making them completely legal load size and weight in most instances. They are available as a bare pump, with chainbox, or a complete skidded package.

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We know that cost savings on identical spare parts is important for offshore rig Companies today. Therefore we provide our services and spare parts at considerable cost reductions compared to sourcing from the major OEMs. Tratec can guarantee identical parts with all required part certificates. We maintaing the highest quality, using state-of-the art service facilities and experienced, specialist mud pump engineers for service work.

Tratec has supplied more than 20 mud pump spare part, overhaul and recertification projects the last 5 years. References include rig companies Odfjell Drilling, Maersk Drilling, Archer, Saipem, KCA Deutag, and others.

Tratec is an experienced specialist supplier of overhaul, SPS, parts and service for rig and drilling equipment. We can provide Norwegian quality and decades of experience, while maintaning sensible prices and flexible solutions.

Tratec can supply overhaul and parts compatible with the following Mud Pump makers and trademarks: National Oilwell Varco (NOV), MHWirth, Continental Emsco, Gardner Denver, Lewco, Drillmec, and others. Tratec is an independent supplier of drilling equipment parts. Tratec is neither a licensee, nor is affiliated with any of the named original equipment manufacturers (OEM). The manufacturer’s names, equipment names, or trademarks used herein are solely for identification purposes, and are not intended by Tratec to cause confusion as to the source, sponsorship, or quality of the parts supplied by Tratec. The original equipment manufacturers named above and throughout this website do not sponsor, promote, warranty or endorse Tratec’s supply of parts.

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triplex mud pumps and triplex mud pump parts meet the industry standards established by the American Petroleum Institute (API). As a global supplier of quality oilfield equipment to the oil and gas industry, we ship our products around the world.

Besides triplex mud pumps and triplex mud pump parts, we supply drilling rigs, workover rigs, top drives, drilling equipment, blowout preventers, BOP control systems, choke and kill manifolds, well service pumps for well cementing and hydraulic fracturing, wellhead equipment, casing heads, tubing heads, X-mas trees, FC type gate valves, etc. Please visit our company website

We supply unitized mud pump packages driven by DC or AC electric motors or diesel engines for electric and mechanical drilling rigs. The client can select DC or AC motors and diesel engine brands such as Caterpillar, Detroit, Cummins or others. Our unitized mud pump packages including everything on the skid and usually they are ready to work at delivery.

In addition to selecting the proper suction pipe diameter and having adequate NPSHA, the submergence level and suction pipe configuration must be considered. Submergence level is the depth of the suction pipe inlet below the liquid surface. If an inadequate submergence level exists, an air vortex will form that extends from the liquid surface to the inlet of the suction pipe. This will introduce air into the system, resulting in either turbulent flow patterns or vapor locking of the pump. Amount of submergence required varies with velocity of the fluid. Fluid velocity is controlled by flow rate and pipe diameter. Refer to Figure 1. to determine submergence required based on fluid velocity (fluid velocity can be found in Friction Loss (Centrifugal Pumps Velocity Measured), in the column ‘‘V (ft/sec)’’).

If a system utilizes a 6-inch suction line with a flow rate of 600 gpm, suction-line velocities will be 6.6 fps and the line will therefore require approximately 3.5 feet of liquid surface above the suction-line entrance. Once the submergence level drops below 3.5 feet, an air vortex will form, causing air to enter the pump suction, resulting in a turbulent flow pattern and/or vapor lock.

In addition to proper line size and submergence level, a suction pipe should slope gradually upward from the source to the pump suction. This prevents air traps within the suction line. There should be a straight run prior to the pump entrance of at least two pipe diameters in length to reduce turbulence. A smooth-flowing valve should be installed in the suction line that will allow the pump to be isolated for maintenance and inspection. If a suction hose is used in lieu of hard piping, the hose must be noncollapsing. Refer to Figures 3 and 4 for examples of accepted piping practices.

Triplex mud pumps are often operated at speeds at which head in the suction tank is insufficient to maintain fluid against the piston face during the filling stroke. If fluid does not remain against the face, air is sucked in from behind the piston, causing a fluid void. If a void is formed, the piston strikes the fluid when the piston reverses direction during the pressure stroke. This causes a shock load that damages the triplex power end and fluid end and lowers expendable parts life. Supercharging pumps are used to accelerate fluid in the suction line of a triplex mud pump during the filling stroke, allowing fluid to maintain pace with the piston. A properly sized supercharging pump will accelerate fluid so that fluid voids and shock loads do not occur.

Triplex mud pumps normally have shock loads at speeds greater than 60 strokes per minute (spm) (when not supercharged). Without proper equipment, this would go unnoticed until the pump exceeded 80 strokes per minute, but meanwhile the shock load is damaging the pump. Supercharging requires an oversized pump with wide impellers to adequately react to rapid changes in flow required by the triplex mud pump. When sizing a centrifugal pump for a mud pump supercharging application, the pump should be sized for 1½ times the required flow rate. Therefore, if the triplex mud pump maximum flow rate is 600 gpm, the centrifugal pump should be sized for 900 gpm. High-speed piston and plunger pumps that stroke above 200 spm should be designed with a supercharging pump that produces 1¾ to 2 times the required flow rate.

Supercharging is one of the few applications in which the centrifugal pump does not have steady flow. The flow pulsates. Small impellers operating at 1750 rpm have a tendency to slip through the fluid when acceleration is needed. This is similar to car tires slipping on wet pavement. Even though it sometimes appears that the small impeller running at 1750 rpm is providing enough head, shock loading may be occurring. Supercharging pumps should have larger impellers running at either 1150 (60 cycles) or 1450 rpm (50 cycles) and should normally be sized to produce 85 feet of head at the triplex suction inlet. Supercharging pumps should be located as close to the supply tank as possible. Mounting supercharging pumps near the triplex and away from the supply tank transfers suction problems from the triplex to the centrifugal pump. If the centrifugal pump does not have a favorable supply with short suction run, it will have an insufficient supply to accelerate fluid.

Piping for supercharging pumps and triplex pump suctions should be oversized for the flow rate. Pipe should be sized so the change in line velocity during pulsations will not be over 1.5 ft/sec during the change from low flow rate to high flow rate during the triplex pulsation cycles.

There are times when a single centrifugal pump will not meet the head requirements of an application. Two pumps can be operated in series to achieve the desired discharge head, in which the discharge of one pump feeds the suction of the second pump. The second pump boosts the head produced by the first. Therefore, if an application required 2900 gpm at 200 feet of head, one option would be to run two 10×8×14 pumps in series. Each pump could be configured with a 13-inch impeller to produce 2900 gpm at 100 feet of head. When operated in series, the pumps would produce 2900 gpm at 200 feet of head.

This type of configuration is most commonly used for extremely long discharge runs. When running pumps in series, it is important not to exceed flange safety ratings. Additionally, it is not required to place pumps within close proximity of each other. If an application had a 6-mile discharge line the first pump could be located at the supply source and the second pump could be located 3 miles away.

exists that requires high volume and low head and volume required is greater than can be produced by a single pump, two pumps are sometimes used in a parallel configuration to meet the demand. Two pumps that produce the same TDH can be configured so that each pump has an individual suction but both pumps feed into the same discharge line. If the pumps are identical, head in the discharge line is equal to that of the pumps, but the volume is double what a single pump can produce. However, two centrifugal pumps will never have the exact same discharge head, and as wear occurs one pump will produce less head than the other and the stronger pump will overpower the weaker pump and force fluid to backflow into the weaker pump. For this reason, parallel operation is not normally recommended.

Two pumps can be configured in parallel but only one pump is operated at a time, thus providing a primary and a backup pump. The two pumps are separated by a valve in each discharge line that prevents one pump from pumping through the other. This type of configuration is perfectly acceptable and, in crucial applications, encouraged.