Finding the Cost-Effective Answer for One Customer: Vermont IBM Job
India Refinery Job Focuses on Customer Service: Deadline Drives Handling of Flare Tie-In
Freezing the Lines: A cost-effective alternative to draining and refilling pipes
Record-Breaking 102-Inch Tap!
Pipe-Freezing
A copper mine? Yes! At 10,000 feet?
STOPPLE® Plugging System Installed & Refinery Remains Open
Water Treatment Plant
To Tap or Not to Tap
Tapping Very Old Water Pipes
Pig Tracking and Locating
Sloped Automated Pig Launcher
TDW Services Taps at 1,000-Foot Depth
Steam Valve Replaced in Nuclear Power Plant
54" Diameter Sewer System Modified Without Service Interruption
Finding the Cost-Effective Answer for One Customer: Vermont IBM Job
When a company has the potential to lose $6 million a day in production costs if its cooling water system is shut down, it's important that repairs and maintenance be done quickly and efficiently. The cooling water system – both a supply and return line – were 12-inch (305 mm) stainless steel pipes with a flow reduction to approximately eight inches (203 mm), which affected how the plant's processes worked.... more
Return to top of page
India Refinery Job Focuses on Customer Service: Deadline Drives Handling of Flare Tie-In
Monsoon season in India can be deadly, but it also can stop day-to-day activities of running a business. A petroleum company in Mumbai [Bombay], India, was facing the monsoon season with a question of whether or not they would be able to finish work on a tie-in job at the company's refinery before the rains started ... more
Return to top of page
Freezing the Lines: A cost-effective alternative to draining and refilling pipes
A refrigeration contractor needed to install isolation valves on two 24-inch pipes servicing the 5-building government office complex in Columbia S.C. The overall project required tying a new piping system in to an old existing line. Draining the system posed too much risk of allowing air into the system, causing possible equipment failure and loss of costly treatments .... more
Return to top of page
Record-Breaking 102-Inch Tap!
T.D. Williamson, Inc., of Tulsa, Oklahoma, completed the largest recorded pipeline tap recently in Las Vegas, Nevada. The work was part of a large water system improvement project for Southern Nevada Water Authority to double the output of ... more
Return to top of page
Pipe-Freezing
The pipe-freeze concept is ideal for working in close quarters where there is not enough clearance to install conventional tapping and plugging equipment. Yet, another method to facilitate repair to your piping system without shutdown... more
Return to top of page
A copper mine? Yes! At 10,000 feet?
"We can cut a hole in any size pipe," says Ron Watkins of the Tulsa Service Center. "And if something flows through that pipe, we can stop it, and even re-route it around a trouble spot to keep the line in service while work is being done ... more
Return to top of page
STOPPLE® Plugging System Installed & Refinery Remains Open
When pipe is carrying a product, liquid or gas and requires maintenance or repair, the STOPPLE® Plugging System is designed to keep the system on stream ... more
Return to top of page
Water Treatment Plant
the City of Tulsa, Oklahoma, installed a new block valve in a 16-inch utility water line at the new Mohawk Water Treatment Plant. The line had to be shut down during the installation, which meant the entire operation had to be completed within 4 hours ... more
Return to top of page
To Tap or Not to Tap
Hot tapping and plugging, and the pipe-freeze technique are both viable options to be considered when performing plant maintenance. In some applications, such as this, one method must be chosen over the other ... more
Return to top of page
Tapping Very Old Water Pipes
Tapping and plugging a water line that has been in the ground for years is something like renovating a 100 year-old home. The renovator never knows what he's going to find on the other side of ... more
Return to top of page
Pig Tracking and Locating
Locating and tracking pipeline pigs, whether they are designed for cleaning, batching, displacement or inspection, is routinely required by all pipeline operating companies. It becomes necessary...more
Return to top of page
Sloped Automated Pig Launcher
In the past, TDW has designed and fabricated vertical, automated pig launchers, sloped, automated sphere launchers and horizontal pig launchers. TDW recently designed and fabricated a sloped, automated pig launcher. This product is new to the pigging industry...more
Return to top of page
TDW Services Taps at 1,000-Foot Depth
As offshore exploration for oil and gas moves farther offshore, the exploration moves into deeper water, which necessitates deeper pipelines to pump the product ashore. For example, in 1984, the deepest rig operated in less than 500 feet. In 1998, exploration companies were drilling at depths of 4,000 feet ...more
Return to top of page
Steam Valve Replaced in Nuclear Power Plant
Steam is an essential component in the generation of electricity in any power plant. The loss of steam or a failure in a steam system can create serious operational problems, resulting in reduced production of electricity, or at worst, a major shutdown ...more
Return to top of page
54" Diameter Sewer System Modified Without Service Interruption
The Western Lake Superior Sanitary District was faced with an unusual situation. An upgrade of their 54" pipe system was required near their Duluth treatment plant. Volume in a system this large makes shutdown for repairs unfeasible. The solution ...more
Return to top of page
