Arrow Energy prepares real-time control centre

 

Plant, drill rigs to be computer-controlled from Brisbane.

Arrow Energy will open a real time monitoring and control centre in Brisbane next year to manage a fleet of high-tech drill rigs and other "essentially unmanned" assets operating under its LNG Project.

The centre is to be housed at One One One Eagle Street, where Arrow will consolidate its existing presence in four separate Brisbane buildings to ten floors of the new riverfront office block. The move is set to occur at the beginning of next year.

LNG/Integration vice president Hilary Mercer told iTnews that space had been set aside for the monitoring and control facility, and that computer hardware was being put in place to underpin the centre's operation.

The centre would be used to control assets such as automated compressor stations associated with the feed gas transmission pipeline (pdf) and four drill rigs being manufactured specifically for the project.

Automated plant and rigs would still require some operators and maintenance personnel onsite.

"In terms of the facilities our proposal is to go for what we call 'essentially unmanned'," Mercer said.

"So, for example, our compression facilities will be designed to be completely automated so that they can be operated from [the] control room in Brisbane.

"It doesn't mean to say that there won' t be people there, but in principle the operation is done from the control centre."

Likewise, the automated drill rigs would still be manned.

"[The onsite operator's] there to make sure that if he needs to take control of a rig he does, but essentially you have almost like an autopilot which directs the rig and gives you much greater accuracy than manual drilling," Mercer said.

The real-time monitoring and control centre would not look after systems at the liquefied natural gas (LNG) plant on Curtis Island, off Gladstone.

"The LNG plant will have a central control room [onsite] because it's a relatively complex plant compared to the compression stations," Mercer said.

Drilling down into data

Arrow Energy placed a $135 million order for the remote-controlled drill rigs in August via Sirius Well Manufacturing Services, a joint venture that is part-owned by Royal Dutch Shell, which also happens to be one of Arrow's parent companies. (pdf)

The first of the computer-controlled rigs will be delivered to Arrow Energy next year. The rigs are to be fitted with remote sensors and satellite communication systems to relay data to and from the drill sites.

Data on "what's happening underneath the ground" will be fed back to Brisbane, where it can be aggregated with data fed in from other rigs on the project, and used to shape future drill plans and "really start to understand more about the conditions through which we're drilling".

"The most important thing for us about drilling is that we need to turn it into a manufacturing process," she said.

"The 6000th well has to cost less than the first well [to drill]. We have to make a continuous improvement.

"So all of this monitoring and data gathering is primarily to understand what's happening in our 'manufacturing process' and then to improve that process via a whole series of very active feedback loops."

Technology investment 'essential'

Mercer presented last week at the Australia Gas conference on reducing non-technical risks using innovation and technology.

"Obviously in coal seam gas, we have significant non-technical risk around things like coexistence with farmers in strategic cropping lands, reputational risk around dredging and things like that," she said.

"What I've tried to look at is how we've used technology to try and reduce our non-technical risks."

Mercer noted the computer-controlled drill rigs are expected to mitigate some non-technical risk associated with Arrow Energy's LNG Project.

These include by enabling pad drilling (pdf), a technique that reduces "overall land take and interference within the farming envelope" by removing the need to space wells out over a swathe of land.

"To do that you have to have specific well technology and you have to have very highly accurate, highly controlled drilling rigs," she said.

Other technology innovations being pursued by Arrow reduced potential environmental impacts.

Aside from reducing non-technical risk, Mercer saw ongoing investment in technology as essential to unlocking "unconventional resource projects".

"If they were easy to do and didn't need technology, they'd have been [tapped] many many years ago," she said.

"It's almost inevitable that as we move into more and more difficult resources that you need developments - I won't say breakthroughs - but you need developments in technology to either extract or provide you solutions which make what you're doing acceptable to ... your stakeholders."

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Arrow Energy prepares real-time control centre
Pad drilling that Arrow Energy hopes to perform with new, computer-controlled drill rigs. (Courtesy: Arrow Energy)
 
 
 
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Pad drilling that Arrow Energy hopes to perform with new, computer-controlled drill rigs. (Courtesy: Arrow Energy)
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