Author: GOSCO Energy

Flowback in Drilling

After a well is drilled and completed, we need to know what’s coming up from downhole. That’s where flowback begins. Flowback is the process of letting fluids (mud, water, gas, oil, and sometimes sand) flow back to the surface after stimulation or pressure testing.It helps us check well integrity, clean out the wellbore, and measure […]

How Natural Gas Is Extracted

Natural gas plays a crucial role in the global energy mix — but how do we actually get it from deep underground to your stove or power plant? Here’s a simplified step-by-step look at the process:

How Natural Gas Is Extracted

Natural gas plays a crucial role in the global energy mix — but how do we actually get it from deep underground to your stove or power plant? Here’s a simplified step-by-step look at the process:

Semi-finished Tricone Drill Bit

It is a bit that has completed the initial stages of manufacturing but is not yet ready for field use. The process begins with forging or casting the steel body, followed by precision machining to shape the legs, cut fluid channels, and prepare the bearing pockets. Cones are manufactured separately, fitted with milled teeth or […]

The Roughneck Essential Skilled and Safety-Focused

Behind every successful drilling operation is a team of hardworking roughnecks who make it all possible. Their job is demanding — physically, mentally, and technically — yet absolutely vital to keeping operations running smoothly and safely. Why is the roughneck role so important?-Core of the drilling crew — Roughnecks handle drill pipe, operate tongs and […]

Drill Pipe Float Valve

A drill pipe float valve, also known as a non-return valve (NRV) or float sub, is a downhole tool installed in the drill string, typically in the drill pipe just above the bit or in a special sub. Its primary purpose is to prevent backflow of fluids from the wellbore into the drill string. Main […]

When the Formation Speaks Thick Asphaltic Returns During Tripping

During Pulling Out of Hole operations, we observed a thick, black, tar-like material coating the BHA—strongly indicating the presence of asphaltic or bituminous hydrocarbons in the formation. This type of occurrence can point to natural bitumen, biodegraded oil zones, or heavy hydrocarbon residues near oil-water contacts. While visually striking, these materials pose real operational challenges: […]

Sidetracking Smarter The Power of the Whipstock System

In the complex world of drilling operations, challenges like stuck pipe, depleted zones, or the need for reservoir re-entry demand innovative solutions. That’s where the whipstock system comes into play. By enabling precise casing window milling, the whipstock system allows us to sidetrack efficiently from an existing wellbore—saving time, cost, and the need to drill […]