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Liner-top packer assembly with sealing elements and polished setting sleeve

Liner Hanger & Completion Accessories

Liner-Top Packers

Liner-Top Packers for annular sealing at the liner top after cementing and liner-hanger setting. Review tubular interfaces, load and pressure envelopes, operating sequence, materials, validation and records before requesting a comparable quotation.

Differential pressure and directionCasing ID, packer OD and through boreAPI Spec 19LH system context / project liner-completion specification
Request a quotationBuild RFQ checklist
Technical files and replacement photos accepted
Final specifications subject to manufacturer confirmation

On this page

  • Specifications
  • Overview
  • Sources
  • FAQ
  • Request a quotation

RFQ selection reference

Reference fields for quotation comparison. Final values must be confirmed in the signed manufacturer datasheet.

ParameterReference valueNotes
Seal envelopeDifferential pressure and directionCasing ID, packer OD and through boreProvide casing drift and wear history
Setting and loadsSetting force/pressure and axial loadsRotation, tieback and release interfacesDefine cementing and packoff sequence
Materials and validationElastomer and metal compatibilityTemperature, fluids and qualification levelRequire documented validation for the stated envelope

Product overview

Product scope

Liner-Top Packers are presented as a quotation-ready equipment family for annular sealing at the liner top after cementing and liner-hanger setting. This page supports technical offer comparison; it does not promise one model, inventory position, downhole performance or certification. The selected manufacturer must confirm the equipment against the well design, load cases, pressure/temperature envelope, interface drawings, governing standard editions and signed datasheet.

Selection basis

The main RFQ inputs are parent casing ID and condition, liner size, packer OD and bore, differential pressure direction and magnitude, temperature, cement and completion-fluid exposure, elastomer compatibility, metal-to-metal or elastomeric sealing, setting weight or pressure, rotation capability, tieback-bore requirement, compression and tension loads, debris tolerance, milling contingency, qualification level, setting indication, test pressure and running-tool compatibility. Downhole completion equipment cannot be selected from nominal casing size or appearance alone. Provide the well schematic, casing and tubing tally, grades and connections, drift restrictions, depth, trajectory, pressure and temperature profile, fluid composition, sour-service requirement, load cases, operational sequence and contingency plan. For replacement or tieback work, include original maker, part number, serial number, completion records and measured seal-bore or profile condition.

Trade and industry context

The cited UN Comtrade record is a broad drilling-machinery-parts export proxy used only to prioritize internationally traded product families. It is not an oilfield-only market size, a search-volume estimate or a shipment claim for this equipment. API references identify relevant design, validation and documentation boundaries; they do not prove that an unnamed supplier is licensed, certified, authorized or holding stock.

Documents and inspection

Define signed datasheets, well and completion schematics, interface drawings, design and load calculations, material and heat-treatment certificates, dimensional and drift records, connection inspection, NDE, pressure and function tests, validation or qualification reports for the stated envelope, assembly and running procedures, redress records, certificate of conformity, traceability, manuals and recommended spares. Verify the actual manufacturer, facility, certificate scope and standard edition before order release.

RFQ checklist

  • Equipment family, quantity, new/replacement scope and delivery target
  • Casing, liner, tubing, workstring and tool connection interfaces
  • Depth, deviation, pressure, temperature, loads and fluid composition
  • Setting, shifting, circulation, cementing or cleanout sequence
  • Materials, sour service, validation, inspection and test records
  • Destination, Incoterm, packing, preservation and handling limits
  • Target unit or package price and acceptable technical alternatives

Upload the well schematic, tubular program, operational procedure, interface drawings and project specification with the inquiry. Close every dimensional, operational, material and certification deviation before comparing price or releasing the order.

Technical reference trail

These public references support the equipment family and selection context. They do not imply dealership, authorization or a guaranteed order specification.

  • American Petroleum Institute active standards catalogChecked 2026-08-29
  • API exploration and production publications catalogChecked 2026-08-29
  • UN Comtrade China export preview: HS 843143 broad drilling-machinery-parts proxyChecked 2026-08-29

Frequently Asked Questions

What information is required to quote Liner-Top Packers?

Provide parent casing ID and condition, liner size, packer OD and bore, differential pressure direction and magnitude, temperature, cement and completion-fluid exposure, elastomer compatibility, metal-to-metal or elastomeric sealing, setting weight or pressure, rotation capability, tieback-bore requirement, compression and tension loads, debris tolerance, milling contingency, qualification level, setting indication, test pressure and running-tool compatibility, quantity, destination, delivery target and required records. Attach the well schematic, tubular details and operating procedure.

Does an API reference prove that an offered tool is certified?

No. The RFQ must state the required standard and edition. Verify the actual manufacturer's license or qualification scope and the product-specific validation, material and test records before order release.

How should an equivalent completion tool be evaluated?

Compare dimensions, connections, drift, loads, pressure/temperature, materials, setting or shifting sequence, intervention contingencies, validation envelope, records and every stated deviation before comparing price.

Submit RFQ for Liner-Top Packers

Send product, quantity, specification and destination details so the requirements can be reviewed with potential suppliers.

PDF, DOCX, XLSX, JPG, PNG or TXT. Up to 5 files, 10 MB each and 25 MB total.

Technical and RFQ References

Check common units, standards and purchasing terminology, then build a structured request for this equipment.

Oilfield Unit ConverterAPI Standards NavigatorEquipment GlossaryBuild a Structured RFQ

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