Pipeline Pigging Services

Weafri Gel Pig Technology Services  

Perfect Indigenous Innovation

Finally, more than innovative technology… the formulation of Weafri Gelly Pig.

Exactly fine tuned to customers specification. A 100% success story to date.

“Do not have pigs and debris kept stuck in the pipeline,

Get Weafri gelly pig to shove them out.”

Weafri gel is elastic and forms a cohesive mass that does not break easily, hence it is able to sustain consistent pressures and push on objects in pipelines. It is highly viscous and partially fluid in nature and can flow on in pipeline, pick up, suspend and carry every debris it encounters.

 Engineered to Customer’s Specifications

The composition of the constituent additives has been carefully engineered to pipeline conditions by our team of engineers. The gel is self-lubricating and so rolls on easily in the pipeline with minimal friction, thereby remaining intact without disintegrating until the job is completed.

Weafri gel is mixed and pumped right on site by our gel system engineers and chemical pump operators. The required chemicals are customized to mix at such a point and rate that ensures that just 1 minute in the pipeline, Weafri gel is already pushing and picking. Rolling and pushing on, it picks up and carry along every debris in the pipeline.

 This process ensures that the customer gets a perfectly cleaned out pipeline operating at optimal delivery rate.  

Weafri gel has been evolved to adapt to the sometimes-unpredictable Niger Delta where host communities violence are prevalent. Where the manifold is shut down during gel launch, the uncross-linked gel in the gel blender, and the cross-linked gel in the pipeline is chemically engineered to maintain good quality even after several days. Hence, after up to a week of unexpected shut-down, operations can still proceed without material losses.  

A typical Weafri Gel Pig train may consist of hundreds or thousands of feet of gel, used in conjunction with foam pigs of various densities and some chemicals to dewax, descale and passivate the system after operation.

Applications

  Retrieval of stuck mechanical pig

  Cleaning and drying of pipelines

  Dewatering

  Pipeline displacement

  Purging

  Product Separation

  Corrosion inhibitor and biocide treatment

  Clean up before intelligent pigging

Case Study

An operational 16” trunkline was last pigged in 1995 with 16” TDW brush pig which is yet to be recovered. The statutory required IP survey using Tuboscope Standard Resolution Tool in 1996 was not carried out. Another IP due in 2000 was not carried out.

The routine of the pipeline was suspended due to the stuck pig. Thick wax, scale and debris accumulated. The production rate of

the pipeline kept on declining. It was at this point that Weafri Pipeline Services was called in to clear the line.  Weafri moved in and by the time of coming out recorded a verifiable 100% success story, which still stands. Today, the trunkline operates at its optimal rate.

On Line Oil Gel System