Benham Rise

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Benham Rise (with coordinates 119°3O’E to 132°OO’E and 12°1O’N to 2O°3O’N latitude), is a 13 million hectare under sea region east of Luzon and is 35 meters underwater at its shallowest point off the provinces of  Aurora and Isabela. It is delimited by the West Philippine Basin to the north and east. It is a seismically active undersea region and extinct volcanic ridge east of the Philippines, in the Philippine Sea which lies a number of Basins including the West Philippine Basin (WPB) of which inside the Basin is located the Central Basin Fault (CBF). The Benham Plateau region is located in the CBF and its basement represents a micro-continent. Several scientific survey analysis have been made to study its nature and its impact on tectonic subduction, including one about its effects on the 1990 Luzon earthquake, which devastated the northern city of Baguio. The area is solely claimed, as part of its continental shelf, by the Republic of the Philippines, which was confirmed by the United Nations Commission on the Limits of the Continental Shelf on April 12, 2012. Under the UNCLOS, a coastal state’s exclusive economic zone extends 370 kilometers (200 nautical miles) from its continental shelf, while its extended continental shelf extends for another 278 km (150 nautical miles). The UN now recognizes the Philippines’ claim and the country’s territory has increase to 43 million hectares from 30 million hectares.

Named after the American geologist Andrew Benham who discovered the continental shelf, the area was mapped in 1933 but its connection to the Philippine shelf was validated only recently to justify the county’s economic claim. Despite its proximity to the archipelago, the plateau was previously not included in the territory of the Philippine Islands. On 8 April 2009, the Republic of the Philippines lodged a full territorial waters claim with the United Nations Commission on the Limits of the Continental Shelf in relation to the continental shelf in the region of Benham Rise. It was submitted as part of petition expanding the archipelago's baselines and exclusive economic zone through a law that also included other claims involving disputed territories of the Kalayaan Islands (Spratly Islands) and Scarborough Shoal. Although the off shore landform, in itself, is not disputed, the petition still received some criticism inside and outside the country because of its controversial nature. According to the government's claim, based on a set of guidelines by the Commission on the Limits of the Continental Shelf, the area satisfies the 350-mile constraint line since the outer limits of the continental shelf are located landward of the constraint line, which is located 350 miles from the baselines where the measurement of the breadth of the territorial sea begins. Benham Rise was never a subject to any maritime boundary disputes and claims. The Congress of the Philippines enacted Republic Act No. 9522, also known as the Archipelagic Baselines Law, which is the basis of the claim. According to the document, the region is bounded by the Philippine Basin on the north and east, and by Luzon on the west and south. It asserted that, according to scientific data based on seismic, magnetic, other geological features, the Benham Rise region is an extension of the Philippines’ continental shelf.

In summary, the baselines, the basis used for delineating the maritime territorial and jurisdictional zones, conform with the requirements of the UN Convention of the Law of the Sea (UNCLOS). Indirectly, the claim is only a partial claim since the law that allows the Philippines to expand its territorial boundaries also includes other disputed islands in the West Philippine Sea. The Philippines may soon be able to provide its own energy needs if it can extract abundant mineral, oil and natural gas of Benham Rise, which is believed to have mineral and gas deposits. The Philippines claim over Benham Rise is "very relevant" because scientific surveys indicate minerals and natural gas in the area. Solidified methane was found during mapping activities and the "probability is extremely very high" there are massive oil deposits. Benham Rise, which is wider than the entire Luzon, Samar, and Leyte combined, is now officially part of the Philippines because it is the only country within 200 nautical miles of the plateau.

The United Nation has officially approved and recognized the claim of the Philippines in April of 2012, in strict compliance with the requirements of the United Nations Convention on the law of the Sea (UNCLOS). The Department of Environment and Natural Resources (DENR) has officially received a letter from UNCLOS informing the Philippines that Benham Rise is now part of the Philippine continental shelf and territory. The Philippines would soon benefit from the massive mineral and gas deposits in the region which would enable the country to achieve complete energy sufficiency.

The Commission on the Limits of the Continental Shelf (CLCS) of the United Nations adopted in full the Republic of the Philippines’ Submission for an extended continental shelf  on April 12, 2012 which includes part of the seabed that extends beyond 200 nautical miles from the country’s baselines covering a seabed area of 52,340 square miles.

The  geological and morphological analyses establish that Benham Rise is a natural prolongation of the landmass of Luzon that is distinct from the adjacent ocean floor. The connection between Benham Rise and Luzon is evident from its morphology particularly through the Palanan Saddles and Bicol which shows that Benham Rise is accreted to Luzon. The extent of this large igneous province reaches well beyond 200 nautical miles from the baselines from which the breadth of the territorial sea is measured. With the geological and morphological evidence, the Test of Appurtenance is proven and the Philippines is therefore entitled to delineate the outer limit of its continental shelf beyond 200 nautical miles.

Deep Water Drilling

Introduction  to Offshore Oil and Gas Industry

Natural Gas from Shale

How  CHEVRON  Uses Seismic Technology

The Government of the Philippines explores Benham Rise for oil, natural gas and petroleum

The Department of Energy or DOE will conduct seismic surveys to determine the actual oil and gas content of Benham Rise. The DOE is looking to bid out portions of Benham Rise  with a high possibility of including the plateau in the next contracting round for oil, gas and petroleum exploration projects. PECR (Philippine Energy Contracting Round), will need to gather the necessary data to encourage more investors. The Benham Plateau is believed to be rich in natural gas and manganese nodules, and is being eyed by a number of interested bidders. DOE Undersecretary Jose Layug, Jr. said in a briefing that four companies were set to conduct seismic surveys where the Benham Rise is located. “It will take 2 months for the seismic data to be gathered and another 2 months for the full analysis to be completed,” Layug said.

The energy official said they were hoping to include the Benham Rise in PECR 5. The department has successfully concluded the final bidding round for oil, gas and petroleum exploration project under PECR 4 in July of 2012 but the service contract has not been officially awarded to the winning bidders. To date, there are twenty seven service contracts in the Philippines involving Nido, BHP Billiton and Shell Philippines Exploration. However, only Galoc oil fields and Malampaya are consistent in gas, oil and petroleum production. The Department of Energy is pursuing energy sustainability and independence through the development of natural energy resources like coal, oil, gas and petroleum.

The Institutions That Contributed To The Benham Rise Successful Submission (Read More...)


Benham Rise Footage

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