$( document ).ready(function() {
    var heights = $(".well").map(function() {
        return $(this).height();
    }).get(),

    maxHeight = Math.max.apply(null, heights);

    $(".well").height(maxHeight);
});

overflow:auto;
overflow:-x;

<!-- Carrousel -->

    <!--<div class="col-md-12">-->
      <div class="col-md-7">
      <div class="row">
      <div id="carousel-1" class="carousel slide" data-ride="carousel">
        <ol class="carousel-indicators">
          <li data-target="#carousel-1" data-slide-to="0" class="active"></li>
          <li data-target="#carousel-1" data-slide-to="1"></li>
          <li data-target="#carousel-1" data-slide-to="2"></li>
        </ol>

        <div class="carousel-inner" role="listbox">
          <div class="item active">
            <img src="assets/img/img_1.jpg" class="img-responsive" alt="paisaje1">
            <div class="carousel-caption">

            </div>
          </div>
          <div class="item">
            <img src="assets/img/img_2.jpg" class="img-responsive" alt="paisaje2">
            <div class="carousel-caption">

            </div>
          </div>
          <div class="item">
            <img src="assets/img/img_3.jpeg" class="img-responsive" alt="paisaje3">
            <div class="carousel-caption">

            </div>
          </div>
        </div>
      </div>

<div class="col-md-5" id="banner_derecha">
      <div class="row">
          <div class="primer_banner col-xs-12 col-sm-6 col-md-12 col-lg-12">
      <h4>banner1</h4>
      <h6>Realizalos de manera mas simple</h6>
  <!--enlace-->
  <a href="">AQUI</a>

          </div>
    <div class="segundo_banner col-xs-12 col-sm-6 col-md-12 col-lg-12">
      <h4>banner2<br> igualar alto</h4>
    </div>
    </div>
      </div>