Pendataran lahan adalah proses menyamakan permukaan tanah untuk menghilangkan cekungan pada lahan, namun tanpa mengubah topografinya lihat Gambar 8. 8. Hal ini sering dilakukan setelah perataan lahan dilakukan, karena topografi lahan yang tidak teratur. Di lahan, sistem drainase permukaan dapat memiliki dua layout yang berbeda, yaitu sistem drainase random dan sistem drainase paralel. Gambar 26. Perataan Permukaan Lahan a. Herringbone ...
Read More »Setiap jenis tanaman mempunyai tingkat kebutuhan air yang berdeda-beda. Berdasarkan hal tersebut, jenis tanaman yang diusahakan harus diatur agar kebutuhan air dapat terpenuhi. Adapun jenis tanaman yang diusahakan adalah: a. Tanaman padi Padi merupakan tanaman yang memerlukan banyak air selama pertumbuhannya. Perkiraan kebutuhan air untuk tanaman padi adalah 4 kali kebutuhan air untuk tanaman palawija. b. Tanaman tebu Selain tanaman ...
Read More »This type of drilling is based on the shape of the hole created or formed in the drilling operations are conducted. Based on the shape of the hole, drilling can be divided into: Drilling upright (straight hole drilling / vertical drilling) Directional drilling (directional and horizontal drilling) 1. Drilling Straight. Drilling is also called the straight vertical drilling or Straight ...
Read More »Supporting structure serves to support the drilling equipment and also provide adequate space for drilling operations. Supporting structure consists of a drilling tower (derrick or mast), substructure and rig floor. a. Drilling tower or so-called drilling tower is divided into three types, namely: Figure 4.3. Army Drill tower – Conventional / standard derrick, the tower can not be established in ...
Read More »Circulation equipment is a major component in the circulation system. This equipment serves the mud from the mud pit to a series of drill pipe and up into the annulus to bring powders to drill into the surface toward solid control equipment, before returning to the mud pits to be re-circulated. This equipment consists of a mud pit, mud pump, ...
Read More »Type of drilling is intended to determine the spread of the reservoir, looking for boundaries, as well as the thickness of the reservoir. In this existing drilling well data from the data drilling in exploration drilling so that the cost of drilling and well construction can already be considered relative. Figure 3.3. Delineation drilling To determine the boundaries of a ...
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