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Case Histories

Proof in the field.

Real challenges. Engineered solutions. Measurable outcomes.

Hyperseal Synteg solutions are applied to complex well-integrity, diagnostics, production and monitoring challenges across the region. Explore selected applications and field outcomes.

Featured Case Histories

Three examples. Real impact.

Diagnose

Dai Hung well integrity surveillance

Dai Hung, offshore Vietnam · PVEP POC

Challenge

A multi-well surveillance campaign was required to determine tubing and production-casing corrosion, internal...

Solution

Hyperseal deployed ALFA acoustic leak-flow analysis, MTD magnetic thickness detection and MFC multi-finger cal...

Result

Leak / communication points and flow behind casing were identified and verified in six wells, with a clear pic...

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Diagnose

Gansar cement evaluation

Gansar, offshore Peninsular Malaysia · PETRONAS Carigali

Challenge

Cement integrity behind tubing in a monobore completion needed to be assessed before production, with accurate...

Solution

Radial cement bond logging combined with gamma-ray casing-collar locator logging.

Result

Reliable cement-evaluation logs were delivered for client assessment of cement quality, with GRCCL depths conf...

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Rectify

Pulai-Alpha tubing & casing hanger leak repair

Pulai-Alpha, offshore Terengganu · PETRONAS Carigali — P&A team

Challenge

Surface leaks were present on several wells before and during a P&A campaign. Leak severity was uncertain and...

Solution

Diagnostic tests across 11 wells, with multiple treatment options held on site. Time Activated Sealant was use...

Result

Eight severe wellhead leaks were cured, allowing operations to continue without interruption to the original s...

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Explore by solution area.

Practical solutions delivered across diagnostics, rectification, production optimization and assurance.

Diagnose

Dai Hung well integrity surveillance

Dai Hung, offshore Vietnam

Challenge

A multi-well surveillance campaign was required to determine tubing and producti...

Result

Leak / communication points and flow behind casing were identified and verified...

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Diagnose

Gansar cement evaluation

Gansar, offshore Peninsular Malaysia

Challenge

Cement integrity behind tubing in a monobore completion needed to be assessed be...

Result

Reliable cement-evaluation logs were delivered for client assessment of cement q...

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Rectify

Pulai-Alpha tubing & casing hanger leak repair

Pulai-Alpha, offshore Terengganu

Challenge

Surface leaks were present on several wells before and during a P&A campaign. Le...

Result

Eight severe wellhead leaks were cured, allowing operations to continue without...

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Rectify

Cendor Alpha 36" conductor and casing-hanger leak

Cendor Alpha, offshore Malaysia

Challenge

Gas seepage was observed at two conductors at the gap between the landing suppor...

Result

All leaking casing-hanger seal ports were rectified. No further gas was observed...

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Rectify

Tabu Bravo control-line leak diagnostic & rectification

Tabu Bravo, offshore Malaysia

Challenge

Two-way control-line leak communication. The line could not hold pressure, with...

Result

The control-line leak was sealed after positive and negative pressure testing. G...

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Rectify

Saint Joseph dual production packer repair

Saint Joseph, offshore Sabah

Challenge

A 9-5/8" x 3-1/2" production packer at 2,021 ft was leaking. Scanwell leak rate...

Result

The packer held pressure after the leak was cured, with zero pressure increase i...

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Rectify

ASAP & BEDIDI cement-plug leak rectification

ASAP & BEDIDI, West Papua

Challenge

Temporarily abandoned wells suffered sustained casing pressure, with suspected m...

Result

Two barrels of resin plug were successfully injected via macaroni string and cur...

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Rectify

Bunga Kekwa sustained casing pressure rectification

Bunga Kekwa Field, Peninsular Malaysia

Challenge

A producing well had been shut in with multiple intervention and integrity issue...

Result

Hyperseal injected 2.5 bbl of resin, equivalent to approximately 12 m of plug, a...

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Rectify

Guntong resin-plug rectification

Guntong Field, Peninsular Malaysia

Challenge

During preparation for plug and abandonment, gas bubbling was observed at the 9-...

Result

One barrel of resin was successfully squeezed. The treatment reduced circulation...

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