The float valve (check valve or float valve) is a critical component in a downhole motor used in directional drilling. Its main function is to prevent the backflow of drilling mud when circulation is stopped, protecting both the motor and the formation: Reasons for its importance: *1. Reverse flow prevention: Prevents mud from flowing back […]
Author: GOSCO Energy
The Wellhead and Christmas
The wellhead and Christmas tree are essential components of an oil or gas that help control the flow of fluids and ensure safe and efficient operation. Here are the main components of ahead and Christmas tree; Wellhead: 1. Casing head: The casing head is the first component of the wellhead and serves as the interface […]
Logging While Drilling (LWD)
What is Logging While Drilling (LWD)? LWD is a technique that involves embedding sensors and logging instruments into the bottom-hole assembly (BHA) of a drill string. These sensors measure formation properties as the wellbore is being drilled, transmitting real-time data to the surface using mud pulse telemetry, electromagnetic waves, or wired drill pipe. Key Features […]
How Does a Centrifugal Pump Work
Centrifugal pumps are among the most common and versatile pumps used in industries like oil & gas, water treatment, and chemical processing. But how exactly do they work? Let’s break it down! Working Principle: Centrifugal Force at Play A centrifugal pump uses rotational energy from an impeller to move fluid. Here’s the step-by-step process: 1. […]
Load Cell Issues During Coiled Tubing Milling Operations
In coiled tubing milling, the load cell is essential for monitoring the weight-on-bit (WOB), providing real-time data on force applied to the downhole milling tool. Load cell issues can significantly impact operations, creating inefficiencies and risks. Key load cell issues and mitigation strategies include: 1. Impact on Weight-on-Bit (WOB) Control Problem: A faulty load cell […]
Measurement While Drilling (MWD)
What is Measurement While Drilling (MWD)? MWD is a type of logging-while-drilling (LWD) technology that collects and transmits real-time drilling parameters and formation evaluation data. Unlike conventional wireline logging, which is conducted after drilling, MWD allows operators to make informed decisions during the drilling process. Key Functions of MWD Directional Drilling Guidance: MWD provides azimuth, […]
Reservoir Fluid Properties
Types of Reservoir Fluids Reservoir fluids are classified based on their composition, phase behavior, and physical properties. The primary types include: 1. Black Oil – A high-viscosity crude oil with dissolved gas that separates under lower pressures. 2. Volatile Oil – A lighter crude oil with a higher gas-to-oil ratio (GOR) and significant gas liberation […]
Progressive Cavity Pumps (PCP)
What is a Progressive Cavity Pump (PCP)? A Progressive Cavity Pump is a positive displacement pump consisting of a single helical rotor that rotates within a double-helical elastomeric stator. As the rotor turns, cavities form and move along the stator, progressively pushing fluid from the inlet to the outlet in a smooth, continuous motion. Components […]
Gas Reservoirs
What is a Blowout? A blowout occurs when formation pressure exceeds the pressure control measures of a well, causing an uncontrolled flow of hydrocarbons to the surface. This can lead to fire, explosions, and environmental disasters. The most infamous blowout in history is the Deepwater Horizon disaster in 2010, which resulted in significant oil spills […]
Blowout Prevention (BOP)
What is a Blowout? A blowout occurs when formation pressure exceeds the pressure control measures of a well, causing an uncontrolled flow of hydrocarbons to the surface. This can lead to fire, explosions, and environmental disasters. The most infamous blowout in history is the Deepwater Horizon disaster in 2010, which resulted in significant oil spills […]