Anhui Exwell New Energy Technology Co., Ltd. is a professional supplier of petroleum industry spare parts and a Custom Oilfield Spare Parts Manufacturer serving drilling, well servicing, oil and gas extraction, and refining operations. From our 20-acre manufacturing base in Wuhu, Anhui, China, we produce non-standard replacement parts, consumables, and modified components that standard catalog items cannot cover. Our team of 50–99 professionals supports an annual production value of USD 85.7 million, with USD 34.2 million exported to oil and gas markets worldwide.
Custom Spare Part Range and Application Fit
Custom oilfield spare parts are non-standard supporting replacement parts and consumables designed for specific petroleum equipment used in drilling, well servicing, and extraction. We machine these parts strictly from customer drawings, technical parameters, and oilfield site conditions. The range covers custom power components, transmission parts, structural parts, lubrication system accessories, and various consumables for special oilfield models, modified equipment, and discontinued legacy equipment.
- Power components: plungers, pony rods, valve bodies, seats, packing retainers, discharge flanges.
- Transmission parts: connecting rods, crossheads, gears, shafts.
- Structural parts: fluid end blocks, housings, adapters, flanges.
- Lubrication system accessories: manifolds, fittings, check valves.
- Consumables: seals, gaskets, packing sets, O-rings.
These custom parts complement our standard Fluid End, Power End, and Mud Pump ranges. We also supply complete assemblies such as HT400, TWS600S, TWS2250, QWS1000, and QWS2500 fluid end assemblies.
Engineering and Configuration Approach
We configure each custom part around the working point, material, and production target. Our technical team reviews drawings, samples, or worn components, then recommends material grade, heat treatment, machining sequence, and surface finish for the specific service conditions. We keep pace with SPM, Halliburton, GD, and FMC series spare parts, providing original-quality alternative solutions for high-pressure fracturing, cementing, and well service pumps.
- Reverse engineering from worn parts: we measure and reproduce geometry when drawings are unavailable.
- Material selection: alloy steel and stainless steel grades matched to pressure, abrasion, and corrosion conditions.
- Dimensional control: CNC boring, milling, and gantry machining centers maintain required tolerances.
- Surface treatment: polishing, coating, or hardening as specified.
Materials, Machining and Quality Control
Our Wuhu factory operates Czech TOS CNC boring and milling machines, Mazak horizontal boring and milling machining centers, Okuma gantry machining centers, and quantitative CNC machining centers. A Leader CMM and in-house laboratory support material physical and chemical property testing, non-destructive testing, and high-precision geometric dimension detection.
- Full-chain quality inspection from raw material entry to finished product delivery.
- 100% final inspection according to customer requirements and international standards.
- Material performance testing, NDT, pressure and sealing performance testing.
- Polishing room for surface finish requirements.
Custom Spare Part Range and Typical Application
| Custom Part Type |
Typical Equipment |
Configuration Input |
Our Scope |
| Power components |
Triplex and quintuplex pumps, fracturing pumps |
Plunger size, pressure rating, material |
Machining, heat treatment, assembly |
| Transmission parts |
Power ends, mud pumps |
Gear data, shaft dimensions, load |
CNC machining, balancing |
| Structural parts |
Fluid ends, pump housings |
Drawings or worn sample |
Boring, milling, drilling, tapping |
| Lubrication system accessories |
Pump lubrication circuits |
Connection sizes, flow requirements |
Fittings, manifolds, check valves |
| Consumables |
Valve seats, packing, seals |
Elastomer grade, pressure, temperature |
Material selection, batch production |
Customization Workflow
Our customization process moves from feasibility to delivery without losing engineering detail.
- Send drawings/samples & feasibility analysis: customers submit drawings or samples to clarify customization requirements.
- Technical assessment & parameter recommendation: professional technical evaluation confirms feasible solutions.
- Quotation: we accurately calculate costs and issue a formal quotation.
- Proofing: customized sample production and sample testing confirmation.
- Mass production: standardized mass production with quality and quantity guaranteed delivery.
Information We Use to Configure Your Solution
To prepare a suitable proposal, we work from the following project inputs. The more complete the data, the faster we can confirm geometry, material, and production scope.
- Equipment model and OEM part number, or complete drawings with tolerances.
- Working pressure, flow rate, fluid type, and temperature range.
- Required material grade or equivalent specification.
- Quantity, target delivery date, and packaging requirements.
- Any surface treatment, coating, or hardness specification.
- Sample or worn part for reverse engineering if drawings are unavailable.
Project Support and Delivery
Our international sales and procurement teams in Xuancheng coordinate order follow-up, technical consultation, and after-sales support. We provide documentation including material certificates, inspection reports, and dimensional records as required. Packaging is arranged for export, and we support consolidated shipments for mixed spare part orders.
Frequently Asked Questions
What types of custom oilfield spare parts can Exwell manufacture?
We machine power components, transmission parts, structural parts, lubrication system accessories, and consumables for drilling, well servicing, and extraction equipment. We work from drawings, samples, or worn parts.
Can you produce parts for SPM, Halliburton, GD, or FMC pumps?
Yes. We keep pace with these series and provide original-quality alternative solutions. We configure parts around the specific pump model, plunger size, and field working conditions.
What information do you need to quote a custom part?
Equipment model, part number or drawings, working pressure, fluid type, material grade, quantity, and delivery target. A sample or worn part also works for reverse engineering.
How do you ensure dimensional accuracy and material quality?
We use CNC boring, milling, and gantry machining centers, plus a Leader CMM for geometric inspection. Our laboratory performs material physical and chemical property testing, NDT, and pressure/sealing tests.
Do you support small batch or prototype orders?
Yes. Our proofing step produces a customized sample for testing confirmation before mass production. We support both prototype and production quantities.
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