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Drought shuts Venezuela petrochemical plants

  • Market: Electricity, LPG, Petrochemicals
  • 21/08/14

A severe drought in the western Venezuelan state of Zulia forced state-owned petrochemicals firm Pequiven to shut down all polymers production since early August at its Ana Maria Campos complex, also called El Tablazo.

Zulia's critical drought conditions, the worst in the state for 60 years, caused Pequiven to shut down El Tablazo's olefins cracker, which this year has been consuming about 18,000 b/d of imported propane, energy ministry figures show.

Other El Tablazo units shut down because of the drought include the 190,000 t/yr linear low density polyethylene (LLDPE) unit, 160,000 t/yr high density polyethylene (HDPE) unit, 144,000 t/yr polypropylene (PP) unit, 120,000 t/yr PVC plant, and a 70,000 t/yr low density polyethylene (LDPE) unit, company officials at the complex said.

Pequiven officials declined to say when polymers production at El Tablazo will return to normal.

But Pequiven officials said "several possible alternatives" are being considered to ensure sufficient water supplies for El Tablazo, including the use of tankers to transport and store water from other parts of the country.

Environment minister Miguel Leonardo Rodriguez, who is overseeing the emergency installation of 150m of 36-inch pipeline with several pumps to transport water from the Manuelote reservoir near Maracaibo to the depleted Tule reservoir that normally supplies the city's residents, said the government has prioritized water supplies for human consumption and thermal power generation.

Rodriguez said the emergency water transport system should start to move up to 5,000 cubic liters of water per second as of 25 August from the Manuelote reservoir to the Tule reservoir.

"The system will be tested over 23-24 August and will be operational on 25 August if the tests are successful," Rodriguez said. But none of the water transported from Manuelote to Tule will be allocated to El Tablazo's plants, he added.

The Manuelote reservoir currently holds about 40mn m3 of water, of which up to 30mn m3 likely will be moved to the Tule reservoir to meet Maracaibo's municipal water needs and safeguard against power disruptions that could leave up to 50pc of the city in the dark "for days or even weeks," Rodriguez added.

Maracaibo's water supplies and state-owned utility Corpoelec's water needs in Zulia are "guaranteed through November of this year when combined with "rigorous" water rationing, he said.

The environment ministry is also working with Corpoelec on a plan to transport water from the La Ceiba reservoir in the Andean state of Trujillo to Corpoelec's Ramon Laguna thermal power generation complex in Zulia, the minister said.

Ramon Laguna's water system is tied into Maracaibo's potable water aqueduct, making it difficult for the state-owned Hidrolago water authority to ration the city's water supplies while the drought lasts without also disrupting thermal power generation.

Corpoelec initially studied the possibility of drawing water for Ramon Laguna from nearby Lake Maracaibo, but the lake's brackish waters are "too polluted with oil contamination from poorly maintained underwater pipelines and production platforms operated by (state-owned oil firm) PdV," a Maracaibo-based Corpoelec official said.

Lake Maracaibo's contaminated waters also have been deemed unsuitable for El Tablazo's processes, Pequiven said.

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