EPA Aquifer Exemptions For Injection Wells May Threaten Underground Drinking Water Supplies

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PC Pumps in Coal Bed Methane (CBM) Wells

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Graphically Speaking: Fracking and Injection Wells

Last week’s National Research Council report on hydraulic fracturing and earthquakes pretty much ends up where a number of scientists are on the correlation between fracking and quakes: that energy development from shale formations poses a low risk for tremors of significance. The report said more attention should be given to injection wells, which are used for waste disposal by a number of industrial enterprises, not just the oil and natural gas industry. AP science writer Seth Borenstein’s take on the report is here.

API, America’s Natural Gas Alliance and the American Exploration & Production Council have produced a couple of informational tools on hydraulic fracturing and seismic activity and underground injection control (UIC) wells that are especially timely with release of the council’s report. 

Highlights from the fracking document:

Hydraulic fracturing is done with a mixture of more than 99.5 percent water and sand. The other one-half of 1 percent is chemical – including anti-bacterials and lubricants. See the FracFocus.org site for more on fracking fluids.Fracturing that occurs thousands of feet below the surface (and below groundwater aquifers) is carefully mapped with sophisticated equipment to optimize recovery of the oil and/or natural gas and to monitor the well itself. In other words, microseismic activity associated with fracking is thoroughly understood.

One study of several thousand shale fracture treatments across North America showed the largest micro-quake measured about 0.8 or about 2,000 times less energy than a magnitude 3.0 earthquake. The chart below shows that most of the micro-quakes in this study were 10,000 to 1 million times smaller than a 3.0 earthquake, which is roughly equivalent to the passing of a nearby truck:

Highlights from the UIC document:

The U.S. has about 151,000 Class II UIC wells used by the oil and natural gas industry, of which only a handful are being studied for possible links to earthquakes. These wells are a subset of more than 800,000 injection wells nationwide used to dispose of a variety of industrial wastes and for development of various minerals and geothermal energy sources. Here’s a map that shows the state-by-state well distribution:

Injection wells are regulated by EPA under the Safe Drinking Water Act. In many cases EPA has delegated authority for the UIC program to the states, with 39 states having primary authority over 95 percent of all UIC Class II wells.Literature published in the past five years shows that less than 40 incidents of seismic activity felt on the surface were associated with Class II injection wells.

Injection wells pump fluids into deep rock formations (see graphic). It’s unusual, but in some cases a quake can occur when a number of geological and operational factors come together – especially the presence of hard, dense and brittle crystalline “basement rock.”  These quakes are almost always small, below the level that would be felt on the surface.

For more information, check out the Energy From Shale website.

View the original article here

Graphically Speaking: Fracking and Injection Wells

Last week’s National Research Council report on hydraulic fracturing and earthquakes pretty much ends up where a number of scientists are on the correlation between fracking and quakes: that energy development from shale formations poses a low risk for tremors of significance. The report said more attention should be given to injection wells, which are used for waste disposal by a number of industrial enterprises, not just the oil and natural gas industry. AP science writer Seth Borenstein’s take on the report is here.

API, America’s Natural Gas Alliance and the American Exploration & Production Council have produced a couple of informational tools on hydraulic fracturing and seismic activity and underground injection control (UIC) wells that are especially timely with release of the council’s report. 

Highlights from the fracking document:

Hydraulic fracturing is done with a mixture of more than 99.5 percent water and sand. The other one-half of 1 percent is chemical – including anti-bacterials and lubricants. See the FracFocus.org site for more on fracking fluids.Fracturing that occurs thousands of feet below the surface (and below groundwater aquifers) is carefully mapped with sophisticated equipment to optimize recovery of the oil and/or natural gas and to monitor the well itself. In other words, microseismic activity associated with fracking is thoroughly understood.

One study of several thousand shale fracture treatments across North America showed the largest micro-quake measured about 0.8 or about 2,000 times less energy than a magnitude 3.0 earthquake. The chart below shows that most of the micro-quakes in this study were 10,000 to 1 million times smaller than a 3.0 earthquake, which is roughly equivalent to the passing of a nearby truck:

Highlights from the UIC document:

The U.S. has about 151,000 Class II UIC wells used by the oil and natural gas industry, of which only a handful are being studied for possible links to earthquakes. These wells are a subset of more than 800,000 injection wells nationwide used to dispose of a variety of industrial wastes and for development of various minerals and geothermal energy sources. Here’s a map that shows the state-by-state well distribution:

Injection wells are regulated by EPA under the Safe Drinking Water Act. In many cases EPA has delegated authority for the UIC program to the states, with 39 states having primary authority over 95 percent of all UIC Class II wells.Literature published in the past five years shows that less than 40 incidents of seismic activity felt on the surface were associated with Class II injection wells.

Injection wells pump fluids into deep rock formations (see graphic). It’s unusual, but in some cases a quake can occur when a number of geological and operational factors come together – especially the presence of hard, dense and brittle crystalline “basement rock.”  These quakes are almost always small, below the level that would be felt on the surface.

For more information, check out the Energy From Shale website.

View the original article here

Wells Operations Manager

Wells Operation Manager
Sunbury
Negotiable Salary

The Background
This is a fantastic opportunity for a Wells Operations Manager to work for a global leading Oil and Gas company. As a Wells Operations Manager you'll be responsible for the execution and delivery of Wells activities in the field, to achieve project objectives within the North Sea.

The Role
As the Wells Operations Manager you'll report to the VP of Wells Engineering as the focal point for the day to day safety, technical, operational and execution of all drilling, completions and intervention operations. You'll also head up the pre tender qualifications; bid preparation, analysis and contract executions. You'll ensure compliance with international standards (API, IADC and ISO) and well control and emergency response policies during well execution. You'll manager rig and third party contractual relationships to deliver success through performance management and you'll coach and mentor, Drilling / Completion / Intervention staff to ensure appropriate development and career progressions.

You
Ideally you'll be educated to a degree level within a relevant discipline or you'll have the equivalent relevant experience within a Wells Management position. Ideally you'll have previous experience of Well Operations Management and you'll have experience of managing third party contractual relationships. Additionally, you'll hold an IWCF certificate and will have experience of coaching and mentoring staff.
This is a fantastic opportunity to work for a global leading organisation that prides themselves on their developments within the oil and gas field and fantastic career opportunities!

To Apply: Call Nick or alternatively send an up to date copy of your CV.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Intec (UK) Ltd was established in 1982 by Engineers for Engineers. We deliver Global Recruitment Solutions within the Oil & Gas, Power, Nuclear, Utilities, Rail, Construction and Aerospace Sectors for Owner/Operators, Consultancies, Contractors and Sub-Contractors.
For a free, confidential service register your details on velosi-intec where you will find a full list of live positions. On-going requirements include; ATEX Inspector, Civil Engineers, Coating Inspector, Commissioning Engineers, Drilling Engineer, Electrician, HSE, Inspectors, Instrument Engineer/Technicians, Labourer, Mechanic, Mechanical & Electrical Engineer/Fitters, Operator, Pipeline Engineer/Supervisor/Inspector, Piping Engineer/Supervisor/Inspector, Planning Engineers, Process Engineer, Project Engineer, Project Manager, QA/QC Engineer/Managers, Quantity Surveyors/Cost Engineers/Project Controls/Estimators, Riggers, Safety Advisor/Officer/Engineers, Site Managers, Supervisor/Superintendents, Turbine Engineer/Fitters and many more.
Intec (UK) Ltd is an equal opportunities employer and a member of the Recruitment and Employment Confederation (REC). = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

View the original article here

Wells Team Leader / Drilling Superintendent

Wells Team Leader / Drilling Superintendant
Onshore - Aberdeen
Negotiable Salary

The Background
This is a fantastic opportunity for a Wells Team Leader to work for a global leading Oil and Gas company. As a Wells Team Leader you'll be responsible for the execution and delivery of Wells activities in the field, to achieve project objectives within the North Sea.

The Role
As the Wells team leader, you'll lead a team of Well Site leaders to ensure delivery of the high quality well planning activities, programs and execution in compliance with relevant Health, Safety, Security & Environment. Additionally you'll ensure that the projects comply with the Operating Management Systems and company requirements. You'll coach and mentor Wells Operations engineers and well site leaders to ensure appropriate development and career progression. You'll also manage rig and third party contractual relationships and will manage well operations to deliver production from new wells, major projects and well work/ workovers.

You
Ideally you'll be educated to a degree level within a relevant discipline or you'll have the equivalent relevant experience within an Engineering role. Ideally you'll have previous North Sea Drilling experience for an operator and will have managed a team offshore. You'll hold a Well Control Certification (IADC, IWCF etc) and will be able to demonstrate HSSE leadership qualities. You'll also have experience of managing 3rd party contractors and experience of offshore operational drilling on semisubmersible rigs, HTHP wells and ERD Drilling.

This is a fantastic opportunity to work for a global leading organisation that prides themselves on their developments within the oil and gas field and fantastic career opportunities!

To Apply: Call Nick or alternatively send an up to date copy of your CV.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Intec (UK) Ltd was established in 1982 by Engineers for Engineers. We deliver Global Recruitment Solutions within the Oil & Gas, Power, Nuclear, Utilities, Rail, Construction and Aerospace Sectors for Owner/Operators, Consultancies, Contractors and Sub-Contractors.
For a free, confidential service register your details on velosi-intec where you will find a full list of live positions. On-going requirements include; ATEX Inspector, Civil Engineers, Coating Inspector, Commissioning Engineers, Drilling Engineer, Electrician, HSE, Inspectors, Instrument Engineer/Technicians, Labourer, Mechanic, Mechanical & Electrical Engineer/Fitters, Operator, Pipeline Engineer/Supervisor/Inspector, Piping Engineer/Supervisor/Inspector, Planning Engineers, Process Engineer, Project Engineer, Project Manager, QA/QC Engineer/Managers, Quantity Surveyors/Cost Engineers/Project Controls/Estimators, Riggers, Safety Advisor/Officer/Engineers, Site Managers, Supervisor/Superintendents, Turbine Engineer/Fitters and many more.
Intec (UK) Ltd is an equal opportunities employer and a member of the Recruitment and Employment Confederation (REC). = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

View the original article here