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Fixing the Porter Ranch gas leak

FULL COVERAGE: Porter Ranch gas leak >>

Relief well

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Leaking well

1. Initial segment

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2. Nears leaking well.

3. Leaking well identified.

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4. Relief well drilled to intercept.

Detailed

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Gas reservoir

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5. Relief well drilled through leaking well.

Killing the well

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Fluid injected.

Plugging the well

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Cement is injected.

Fluid pressure

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Cement

Leaking

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well

Leaking

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well

Relief

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well

Relief

Advertisement

well

Gas pressure

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Gas pressure

Source: Southern California Gas Co.

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@latimesgraphics

Relief well

Advertisement

Leaking well

1. Initial segment installed.

Advertisement

2. Nears leaking well.

3. Leaking well identified.

Advertisement

4. Relief well

drilled to intercept.

Advertisement

Detailed

Advertisement

Natural gas reservoir

5. Relief well drilled through leaking well.

Advertisement

Plugging the well

Cement is injected.

Advertisement

Killing the well

Fluid is injected.

Advertisement

Fluid pressure

Cement

Advertisement

Leaking

well

Advertisement

Leaking

well

Advertisement

Relief

well

Advertisement

Relief

well

Advertisement

Gas pressure

Gas pressure

Advertisement

Source: Southern California Gas Co.

@latimesgraphics

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Relief well

Leaking well

Advertisement

1. Initial segment

of relief well installed.

Advertisement

Depth

in feet

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1,000

2,000

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2. Relief well nears leaking well during drilling.

3,000

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3. Relief well passes eaking well to identify its location.

4,000

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5,000

4. Relief well drilled next to

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leaking well for easier to intercept.

6,000

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7,000

Detailed

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8,000

Advertisement

Natural gas reservoir

5. The relief well is drilled through the leaking well. Mud and other fluids are pumped into the well to ‘kill’ it and stop the flow of gas. Cement is then pumped into the well to plug it.

Advertisement

Plugging the well

Cement is injected.

Advertisement

Killing the well

Fluid is injected.

Advertisement

Fluid pressure

Cement

Advertisement

Leaking

well

Advertisement

Leaking

well

Advertisement

Relief

well

Advertisement

Relief

well

Advertisement

Gas pressure

Gas pressure

Advertisement

Source: Southern California Gas Co.

@latimesgraphics

Advertisement

Relief well

Leaking well

Advertisement

1. Initial segment

of relief well

Advertisement

installed.

Depth

Advertisement

in feet

la-me-porter-ranch-relocation-20151222

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1,000

2,000

Advertisement

2. Relief well nears leaking well during drilling.

3,000

Advertisement

3. The relief well passes the leaking well to identify its location.

4,000

Advertisement

5,000

4. The relief well is drilled next to the leaking well to make it easier to intercept.

Advertisement

6,000

7,000

Advertisement

Detailed

Advertisement

Natural gas reservoir

8,000

Advertisement

5. The relief well is drilled through the leaking well. Mud and other fluids are pumped into the well to ‘kill’ it and stop the flow of gas. Cement is then pumped into the well to plug it.

Plugging the well

Advertisement

Cement is injected to

permanently plug the well.

Advertisement

Killing the well

Mud and fluid are injected

Advertisement

to counter gas pressure.

Fluid pressure

Advertisement

Cement

Leaking

Advertisement

well

Leaking

Advertisement

well

Relief

Advertisement

well

Relief

Advertisement

well

Gas pressure

Advertisement

Gas pressure

Source: Southern California Gas Co.

Advertisement

@latimesgraphics

Relief well

Advertisement

Leaking well

1. Initial segment

Advertisement

of relief well

installed.

Advertisement

Depth

in feet

Advertisement

1,000

2,000

Advertisement

2. Relief well nears leaking well during drilling.

3,000

Advertisement

3. The relief well passes the leaking well to identify its location.

4,000

Advertisement

5,000

4. The relief well is drilled next to the leaking well to make it easier to intercept.

Advertisement

6,000

7,000

Advertisement

Detailed

Advertisement

Natural gas reservoir

8,000

Advertisement

5. The relief well is drilled through the leaking well. Mud and other fluids are pumped into the well to ‘kill’ it and stop the flow of gas. Cement is then pumped into the well to plug it.

Plugging the well

Advertisement

Cement is injected to

permanently plug the well.

Advertisement

Killing the well

Mud and fluid are injected

Advertisement

to counter gas pressure.

Fluid pressure

Advertisement

Cement

Leaking

Advertisement

well

Leaking

Advertisement

well

Relief

Advertisement

well

Relief

Advertisement

well

Gas pressure

Advertisement

Gas pressure

Source: Southern California Gas Co.

Advertisement

@latimesgraphics




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