Sand-bearing crude oil heating
Combines a controlled heat source with provision for collecting entrained sediment.
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China's Leading
Heating Manufacturer
Oilfield Sand-Settling Electric Heater
Heating for sand-bearing produced fluids
XGTHERMAL’s Oilfield Sand-Settling Electric Heater combines vacuum-assisted phase-change indirect heating, pipeline swirl technology and dedicated sediment-collection space for sand-bearing crude oil and produced liquids. Collected solids are removed through scheduled blowdown.
Manufactured in China for oilfield gathering stations, the system uses PLC temperature control. Heating duty, fluid passages, settling space and drain access are configured around viscosity, flow rate and solids loading, so heating and sediment removal can be planned together.
Indirect Electric Heating
Phase-change heat transfer separates electric elements from the crude oil
Dedicated Settling Space
Provision for sediment collection within the process arrangement
Planned Blowdown
Collected solids removed at intervals matched to operating conditions
Typical applications
Heating and sediment management at gathering stations.
This configuration is intended for gathering-station duties where sand accumulation complicates routine heating and maintenance. Selection starts with the produced-fluid composition and the solids to be managed, as well as the required outlet temperature.
Produced-liquid temperature conditioning
Raises oil-water mixture temperature to the target specified for the gathering process.
Viscous crude oil handling
Supports fluidity while allowing solids accumulation and cleaning access to be considered.
Seasonal temperature variation
Matches the heating arrangement and insulation to changing inlet and ambient temperatures.
Gathering-station heating upgrades
For projects where an existing heating arrangement needs better provision for sediment collection and removal.
Heating challenges
Heat the liquid. Make provision for the solids.
Sand can accumulate in process equipment and restrict flow. Heating supports crude oil fluidity, but it does not remove the solids on its own. The design therefore combines a controlled heat source with space to collect sediment and a planned route for removing it.
Changing solids concentration and viscosity affect how sediment moves and accumulates.
The thermal duty and sediment-handling arrangement are selected as related but distinct requirements.
Collected sediment must be removed before it compromises usable collection space or the process path.
- Particle size, concentration and fluid viscosity are needed to assess the settling arrangement.
- Heat-transfer walls still need protection against deposits, abnormal temperature and inadequate flow.
- Blowdown access, isolation and a suitable discharge destination are part of the operating plan.
Engineering design
Indirect heat transfer with space for sediment collection.
Electric elements heat an intermediate phase-change medium, which transfers heat indirectly to the process fluid through a separate heat-transfer surface. The process-side arrangement combines pipeline swirl features with sand-settling space and blowdown access. The heating circuit and the process-fluid pressure boundary are reviewed separately during engineering.
- Process-side materials and passages reviewed for erosion, deposits and fluid compatibility
- Intermediate heating medium and heat-transfer area selected for the required duty
- Settling space and drain access matched to the expected solids loading and removal plan
- Instrumentation, insulation and cabinet arrangement coordinated with site requirements
Control and protection
Temperature control with protection for both circuits.
PLC control regulates the heating process, while selected instruments monitor temperature, pressure and operating conditions. Sediment removal is a separate operating task: the blowdown sequence, isolation arrangement and discharge destination must be defined for the installation.
PLC temperature regulation
Process temperature feedback supports controlled heat input and local operating visibility.
Independent temperature protection
High-limit monitoring is configured separately from normal temperature regulation for the selected heating arrangement.
Flow and heating-medium level
Flow and liquid-level alarms or interlocks can be selected to inhibit heating under unsuitable conditions.
Pressure protection and blowdown coordination
Process-side and heating-circuit pressure protection are reviewed separately. Electrical-fault trips and the agreed blowdown operating sequence complement the temperature controls; automatic sand discharge is not assumed.
Engineering data
Specifications
Final duty, process-side pressure, phase-change circuit conditions and Ex marking are confirmed for the selected configuration. Solids capacity and blowdown requirements are determined from the project fluid data.
| Specification Parameters | Specification Details |
|---|---|
| Rated Voltage | AC 380 V, 50 Hz (customizable) |
| Rated Power | Up to 500 kW |
| Inlet/Outlet Specification | Custom flange / nozzle sizes |
| Control Mode | PLC / microcontroller / digital controller (optional) |
| Alarm Mode | Temperature, pressure, flow, level and electrical faults (optional) |
| Design Pressure | Project-specific pressure rating |
| Control Cabinet | Explosion-proof / non-explosion-proof |
| Protection Class | IP65 |
| Explosion-Proof Grade | IIB / IIC; temperature class by configuration |
| Standards and Certification Area | Reference / Route | How XGTHERMAL Supports It |
|---|---|---|
| Explosion-proof design basis | IEC 60079 / GB/T 3836 | Applicable requirements for electrical heating components, terminals, cabinets and other hazardous-area equipment. |
| EU / international Ex certification | ATEX / IECEx | Project-specific certification route can be supported when required by the destination market and final hazardous-area classification. |
| Eurasian market access | EAC / TR CU 012/2011 | Certification and technical documentation support can be coordinated for Russia, Kazakhstan and other EAEU destinations. |
| Oil & gas procurement documents | IOGP JIP33 S-723 Electrical Process Heaters | Applicable procurement clauses and documentation can be reviewed with the EPC. The indirect heating and settling package requires a scope review; S-723 does not establish sand-separation performance. |
| Pressure boundary | ASME BPVC Section VIII / PED 2014/68/EU | Process-side and heating-circuit pressure boundaries, material traceability, welding records and applicable conformity assessment are reviewed for the destination market. |
| Electrical cabinet and machine safety | IEC 61439 / IEC 60204-1 | Control cabinet layout, component selection, wiring practice and electrical protection can be configured around project requirements. |
| Functional safety | IEC 61511 / SIL | SIL-rated safety loop design can be coordinated when independent shutdown or safety instrumented functions are specified. |
| Sour service materials | ISO 15156 / NACE MR0175 | Material selection can be reviewed for H2S or sour crude service when required by the process medium. |
| Inspection and handover package | EN 10204 3.1, NDT reports and FAT records | Material certificates, pressure test records, non-destructive testing reports, electrical test records and factory acceptance test files can be supplied. |
| Ingress protection | IEC 60529 | IP65 / IP66 enclosure protection can be selected for outdoor oilfield stations and harsh operating environments. |
Certification availability depends on final equipment configuration, destination market requirements, hazardous-area classification and third-party conformity assessment. Standards listed here describe available engineering and documentation support, not a blanket certificate for every configuration.
| Name | Origin/Brand | Remarks |
|---|---|---|
| Heater Body | Shenyang Xinguang Electric Manufacturing Co., Ltd. | Process body, settling space and connections configured by project |
| Heating Element | Shenyang Xinguang Electric Manufacturing Co., Ltd. | Electric elements matched to the intermediate heating medium and duty |
| Control Cabinet | Shenyang Xinguang Electric Manufacturing Co., Ltd. | Explosion-proof or safe-area cabinet available |
| Electrical Components | Delixi, Chint or project-approved equivalents | PLC, circuit breaker, contactor, thyristor, relay and isolating barrier options |
| Instruments | Chuanyi, Anhui Tiankang, Beijing Tiantai or project-approved equivalents | Process and heating-circuit temperature, pressure, flow and level monitoring |
Operator references
One of China’s Top-Tier Electric Heating Suppliers for Oil & Gas Projects
XGTHERMAL has supplied electric heating systems for projects connected with CNPC / PetroChina, PipeChina and Sinopec. In China’s petroleum and petrochemical sectors, qualified heater suppliers must pass technical review, explosion-proof compliance checks, safety documentation review and field performance verification.
This project record places XGTHERMAL among the specialist electric heating manufacturers trusted for demanding oil and gas applications. Redacted cooperation records, contract references or project supporting materials can be provided for qualified procurement discussions.
Custom engineering
Custom engineering around your operating conditions.
Share the operating conditions, installation limits and control requirements. XGTHERMAL can configure the equipment and define the process connections, electrical interfaces and maintenance access with your team.
- Process medium Produced-fluid composition, water cut, sand loading and fouling tendency.
- Mechanical interface Process connections, pressure ratings, footprint and blowdown access.
- Site safety Hazardous-area classification, IP protection, grounding and interlock requirements.
- Controls Local HMI, station signals, temperature control and interlock requirements.
